Home / 15,447.94-21,318.25-9,073.06

Finding the Fourth Proportional to 15,447.94, 21,318.25 and 9,073.06

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Solution

The fourth proportional to 15,447.94, 21,318.25 and 9,073.06 is: 12,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.94 : 21,318.25 = 9,073.06 : x
  2. Step 2: Convert to fraction form
    15,447.94/21,318.25 = 9,073.06/x
  3. Step 3: Cross multiply
    15,447.94x = 21,318.25 × 9,073.06
  4. Step 4: Simplify right side
    15,447.94x = 193,421,761.35
  5. Step 5: Solve for x
    x = 193,421,761.35/15,447.94
  6. Step 6: Final answer
    x = 12,520.88

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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.