Home / 10,103.71-15,158.60-6,105.55

Finding the Fourth Proportional to 10,103.71, 15,158.60 and 6,105.55

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Solution

The fourth proportional to 10,103.71, 15,158.60 and 6,105.55 is: 9,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.71 : 15,158.60 = 6,105.55 : x
  2. Step 2: Convert to fraction form
    10,103.71/15,158.60 = 6,105.55/x
  3. Step 3: Cross multiply
    10,103.71x = 15,158.60 × 6,105.55
  4. Step 4: Simplify right side
    10,103.71x = 92,551,590.23
  5. Step 5: Solve for x
    x = 92,551,590.23/10,103.71
  6. Step 6: Final answer
    x = 9,160.16

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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.