Home / 10,626.55-15,940.17-4,387.07

Finding the Fourth Proportional to 10,626.55, 15,940.17 and 4,387.07

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Solution

The fourth proportional to 10,626.55, 15,940.17 and 4,387.07 is: 6,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.55 : 15,940.17 = 4,387.07 : x
  2. Step 2: Convert to fraction form
    10,626.55/15,940.17 = 4,387.07/x
  3. Step 3: Cross multiply
    10,626.55x = 15,940.17 × 4,387.07
  4. Step 4: Simplify right side
    10,626.55x = 69,930,641.60
  5. Step 5: Solve for x
    x = 69,930,641.60/10,626.55
  6. Step 6: Final answer
    x = 6,580.75

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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.