Home / 22,495.64-31,056.30-13,545.14

Finding the Fourth Proportional to 22,495.64, 31,056.30 and 13,545.14

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Solution

The fourth proportional to 22,495.64, 31,056.30 and 13,545.14 is: 18,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,495.64 : 31,056.30 = 13,545.14 : x
  2. Step 2: Convert to fraction form
    22,495.64/31,056.30 = 13,545.14/x
  3. Step 3: Cross multiply
    22,495.64x = 31,056.30 × 13,545.14
  4. Step 4: Simplify right side
    22,495.64x = 420,661,931.38
  5. Step 5: Solve for x
    x = 420,661,931.38/22,495.64
  6. Step 6: Final answer
    x = 18,699.71

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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.