Home / 14,788.38-20,407.10-8,500.76

Finding the Fourth Proportional to 14,788.38, 20,407.10 and 8,500.76

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Solution

The fourth proportional to 14,788.38, 20,407.10 and 8,500.76 is: 11,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.38 : 20,407.10 = 8,500.76 : x
  2. Step 2: Convert to fraction form
    14,788.38/20,407.10 = 8,500.76/x
  3. Step 3: Cross multiply
    14,788.38x = 20,407.10 × 8,500.76
  4. Step 4: Simplify right side
    14,788.38x = 173,475,714.86
  5. Step 5: Solve for x
    x = 173,475,714.86/14,788.38
  6. Step 6: Final answer
    x = 11,730.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.