Home / 22,646.20-31,253.70-12,577.90

Finding the Fourth Proportional to 22,646.20, 31,253.70 and 12,577.90

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Solution

The fourth proportional to 22,646.20, 31,253.70 and 12,577.90 is: 17,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,646.20 : 31,253.70 = 12,577.90 : x
  2. Step 2: Convert to fraction form
    22,646.20/31,253.70 = 12,577.90/x
  3. Step 3: Cross multiply
    22,646.20x = 31,253.70 × 12,577.90
  4. Step 4: Simplify right side
    22,646.20x = 393,105,913.23
  5. Step 5: Solve for x
    x = 393,105,913.23/22,646.20
  6. Step 6: Final answer
    x = 17,358.58

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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.