Home / 15,160.58-22,729.92-6,390.70

Finding the Fourth Proportional to 15,160.58, 22,729.92 and 6,390.70

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Solution

The fourth proportional to 15,160.58, 22,729.92 and 6,390.70 is: 9,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,160.58 : 22,729.92 = 6,390.70 : x
  2. Step 2: Convert to fraction form
    15,160.58/22,729.92 = 6,390.70/x
  3. Step 3: Cross multiply
    15,160.58x = 22,729.92 × 6,390.70
  4. Step 4: Simplify right side
    15,160.58x = 145,260,099.74
  5. Step 5: Solve for x
    x = 145,260,099.74/15,160.58
  6. Step 6: Final answer
    x = 9,581.43

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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.