Home / 10,258.20-15,374.97-4,332.78

Finding the Fourth Proportional to 10,258.20, 15,374.97 and 4,332.78

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Solution

The fourth proportional to 10,258.20, 15,374.97 and 4,332.78 is: 6,493.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.20 : 15,374.97 = 4,332.78 : x
  2. Step 2: Convert to fraction form
    10,258.20/15,374.97 = 4,332.78/x
  3. Step 3: Cross multiply
    10,258.20x = 15,374.97 × 4,332.78
  4. Step 4: Simplify right side
    10,258.20x = 66,616,362.52
  5. Step 5: Solve for x
    x = 66,616,362.52/10,258.20
  6. Step 6: Final answer
    x = 6,493.96

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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.