Home / 12,553.57-17,324.10-6,888.21

Finding the Fourth Proportional to 12,553.57, 17,324.10 and 6,888.21

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Solution

The fourth proportional to 12,553.57, 17,324.10 and 6,888.21 is: 9,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.57 : 17,324.10 = 6,888.21 : x
  2. Step 2: Convert to fraction form
    12,553.57/17,324.10 = 6,888.21/x
  3. Step 3: Cross multiply
    12,553.57x = 17,324.10 × 6,888.21
  4. Step 4: Simplify right side
    12,553.57x = 119,332,038.86
  5. Step 5: Solve for x
    x = 119,332,038.86/12,553.57
  6. Step 6: Final answer
    x = 9,505.82

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Half scale
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Double scale
Find fourth proportional to 12,554.57, 17,325.48 and 6,889.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.