Home / 12,553.29-17,322.96-6,887.90

Finding the Fourth Proportional to 12,553.29, 17,322.96 and 6,887.90

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Solution

The fourth proportional to 12,553.29, 17,322.96 and 6,887.90 is: 9,504.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.29 : 17,322.96 = 6,887.90 : x
  2. Step 2: Convert to fraction form
    12,553.29/17,322.96 = 6,887.90/x
  3. Step 3: Cross multiply
    12,553.29x = 17,322.96 × 6,887.90
  4. Step 4: Simplify right side
    12,553.29x = 119,318,703.74
  5. Step 5: Solve for x
    x = 119,318,703.74/12,553.29
  6. Step 6: Final answer
    x = 9,504.98

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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.