Home / 15,000.38-22,507.05-8,416.70

Finding the Fourth Proportional to 15,000.38, 22,507.05 and 8,416.70

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Solution

The fourth proportional to 15,000.38, 22,507.05 and 8,416.70 is: 12,628.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.38 : 22,507.05 = 8,416.70 : x
  2. Step 2: Convert to fraction form
    15,000.38/22,507.05 = 8,416.70/x
  3. Step 3: Cross multiply
    15,000.38x = 22,507.05 × 8,416.70
  4. Step 4: Simplify right side
    15,000.38x = 189,435,087.74
  5. Step 5: Solve for x
    x = 189,435,087.74/15,000.38
  6. Step 6: Final answer
    x = 12,628.69

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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.