Home / 10,325.39-15,489.48-3,753.45

Finding the Fourth Proportional to 10,325.39, 15,489.48 and 3,753.45

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Solution

The fourth proportional to 10,325.39, 15,489.48 and 3,753.45 is: 5,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.39 : 15,489.48 = 3,753.45 : x
  2. Step 2: Convert to fraction form
    10,325.39/15,489.48 = 3,753.45/x
  3. Step 3: Cross multiply
    10,325.39x = 15,489.48 × 3,753.45
  4. Step 4: Simplify right side
    10,325.39x = 58,138,988.71
  5. Step 5: Solve for x
    x = 58,138,988.71/10,325.39
  6. Step 6: Final answer
    x = 5,630.68

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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.