Home / 22,487.90-31,033.35-12,416.36

Finding the Fourth Proportional to 22,487.90, 31,033.35 and 12,416.36

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Solution

The fourth proportional to 22,487.90, 31,033.35 and 12,416.36 is: 17,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.90 : 31,033.35 = 12,416.36 : x
  2. Step 2: Convert to fraction form
    22,487.90/31,033.35 = 12,416.36/x
  3. Step 3: Cross multiply
    22,487.90x = 31,033.35 × 12,416.36
  4. Step 4: Simplify right side
    22,487.90x = 385,321,387.20
  5. Step 5: Solve for x
    x = 385,321,387.20/22,487.90
  6. Step 6: Final answer
    x = 17,134.61

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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.