Home / 11,446.20-15,787.59-10,505.04

Finding the Fourth Proportional to 11,446.20, 15,787.59 and 10,505.04

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Solution

The fourth proportional to 11,446.20, 15,787.59 and 10,505.04 is: 14,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446.20 : 15,787.59 = 10,505.04 : x
  2. Step 2: Convert to fraction form
    11,446.20/15,787.59 = 10,505.04/x
  3. Step 3: Cross multiply
    11,446.20x = 15,787.59 × 10,505.04
  4. Step 4: Simplify right side
    11,446.20x = 165,849,264.45
  5. Step 5: Solve for x
    x = 165,849,264.45/11,446.20
  6. Step 6: Final answer
    x = 14,489.46

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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.