Home / 23,098.40-31,869.87-14,142.64

Finding the Fourth Proportional to 23,098.40, 31,869.87 and 14,142.64

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Solution

The fourth proportional to 23,098.40, 31,869.87 and 14,142.64 is: 19,513.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,098.40 : 31,869.87 = 14,142.64 : x
  2. Step 2: Convert to fraction form
    23,098.40/31,869.87 = 14,142.64/x
  3. Step 3: Cross multiply
    23,098.40x = 31,869.87 × 14,142.64
  4. Step 4: Simplify right side
    23,098.40x = 450,723,938.91
  5. Step 5: Solve for x
    x = 450,723,938.91/23,098.40
  6. Step 6: Final answer
    x = 19,513.21

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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.