Home / 22,610.76-31,202.85-12,539.32

Finding the Fourth Proportional to 22,610.76, 31,202.85 and 12,539.32

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Solution

The fourth proportional to 22,610.76, 31,202.85 and 12,539.32 is: 17,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.76 : 31,202.85 = 12,539.32 : x
  2. Step 2: Convert to fraction form
    22,610.76/31,202.85 = 12,539.32/x
  3. Step 3: Cross multiply
    22,610.76x = 31,202.85 × 12,539.32
  4. Step 4: Simplify right side
    22,610.76x = 391,262,490.08
  5. Step 5: Solve for x
    x = 391,262,490.08/22,610.76
  6. Step 6: Final answer
    x = 17,304.26

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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.