Home / 10,339.07-15,508.62-8,512.92

Finding the Fourth Proportional to 10,339.07, 15,508.62 and 8,512.92

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Solution

The fourth proportional to 10,339.07, 15,508.62 and 8,512.92 is: 12,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.07 : 15,508.62 = 8,512.92 : x
  2. Step 2: Convert to fraction form
    10,339.07/15,508.62 = 8,512.92/x
  3. Step 3: Cross multiply
    10,339.07x = 15,508.62 × 8,512.92
  4. Step 4: Simplify right side
    10,339.07x = 132,023,641.37
  5. Step 5: Solve for x
    x = 132,023,641.37/10,339.07
  6. Step 6: Final answer
    x = 12,769.40

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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.