Home / 16,887.92-23,306.40-9,720.26

Finding the Fourth Proportional to 16,887.92, 23,306.40 and 9,720.26

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Solution

The fourth proportional to 16,887.92, 23,306.40 and 9,720.26 is: 13,414.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.92 : 23,306.40 = 9,720.26 : x
  2. Step 2: Convert to fraction form
    16,887.92/23,306.40 = 9,720.26/x
  3. Step 3: Cross multiply
    16,887.92x = 23,306.40 × 9,720.26
  4. Step 4: Simplify right side
    16,887.92x = 226,544,267.66
  5. Step 5: Solve for x
    x = 226,544,267.66/16,887.92
  6. Step 6: Final answer
    x = 13,414.57

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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.