Home / 12,553.30-17,323.71-6,888.55

Finding the Fourth Proportional to 12,553.30, 17,323.71 and 6,888.55

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Solution

The fourth proportional to 12,553.30, 17,323.71 and 6,888.55 is: 9,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.30 : 17,323.71 = 6,888.55 : x
  2. Step 2: Convert to fraction form
    12,553.30/17,323.71 = 6,888.55/x
  3. Step 3: Cross multiply
    12,553.30x = 17,323.71 × 6,888.55
  4. Step 4: Simplify right side
    12,553.30x = 119,335,242.52
  5. Step 5: Solve for x
    x = 119,335,242.52/12,553.30
  6. Step 6: Final answer
    x = 9,506.28

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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.