Home / 22,047.12-30,423.45-12,487.97

Finding the Fourth Proportional to 22,047.12, 30,423.45 and 12,487.97

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Solution

The fourth proportional to 22,047.12, 30,423.45 and 12,487.97 is: 17,232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.12 : 30,423.45 = 12,487.97 : x
  2. Step 2: Convert to fraction form
    22,047.12/30,423.45 = 12,487.97/x
  3. Step 3: Cross multiply
    22,047.12x = 30,423.45 × 12,487.97
  4. Step 4: Simplify right side
    22,047.12x = 379,927,130.90
  5. Step 5: Solve for x
    x = 379,927,130.90/22,047.12
  6. Step 6: Final answer
    x = 17,232.51

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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.