Home / 14,737.64-20,331.15-9,437.81

Finding the Fourth Proportional to 14,737.64, 20,331.15 and 9,437.81

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Solution

The fourth proportional to 14,737.64, 20,331.15 and 9,437.81 is: 13,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,737.64 : 20,331.15 = 9,437.81 : x
  2. Step 2: Convert to fraction form
    14,737.64/20,331.15 = 9,437.81/x
  3. Step 3: Cross multiply
    14,737.64x = 20,331.15 × 9,437.81
  4. Step 4: Simplify right side
    14,737.64x = 191,881,429.13
  5. Step 5: Solve for x
    x = 191,881,429.13/14,737.64
  6. Step 6: Final answer
    x = 13,019.83

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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.