Home / 10,629.30-15,906.15-9,257.70

Finding the Fourth Proportional to 10,629.30, 15,906.15 and 9,257.70

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Solution

The fourth proportional to 10,629.30, 15,906.15 and 9,257.70 is: 13,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.30 : 15,906.15 = 9,257.70 : x
  2. Step 2: Convert to fraction form
    10,629.30/15,906.15 = 9,257.70/x
  3. Step 3: Cross multiply
    10,629.30x = 15,906.15 × 9,257.70
  4. Step 4: Simplify right side
    10,629.30x = 147,254,364.86
  5. Step 5: Solve for x
    x = 147,254,364.86/10,629.30
  6. Step 6: Final answer
    x = 13,853.63

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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.