Home / 15,278.29-22,905.10-5,412.18

Finding the Fourth Proportional to 15,278.29, 22,905.10 and 5,412.18

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Solution

The fourth proportional to 15,278.29, 22,905.10 and 5,412.18 is: 8,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.29 : 22,905.10 = 5,412.18 : x
  2. Step 2: Convert to fraction form
    15,278.29/22,905.10 = 5,412.18/x
  3. Step 3: Cross multiply
    15,278.29x = 22,905.10 × 5,412.18
  4. Step 4: Simplify right side
    15,278.29x = 123,966,510.59
  5. Step 5: Solve for x
    x = 123,966,510.59/15,278.29
  6. Step 6: Final answer
    x = 8,113.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.