Home / 9,368.15-12,917.56-6,385.73

Finding the Fourth Proportional to 9,368.15, 12,917.56 and 6,385.73

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Solution

The fourth proportional to 9,368.15, 12,917.56 and 6,385.73 is: 8,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.15 : 12,917.56 = 6,385.73 : x
  2. Step 2: Convert to fraction form
    9,368.15/12,917.56 = 6,385.73/x
  3. Step 3: Cross multiply
    9,368.15x = 12,917.56 × 6,385.73
  4. Step 4: Simplify right side
    9,368.15x = 82,488,050.42
  5. Step 5: Solve for x
    x = 82,488,050.42/9,368.15
  6. Step 6: Final answer
    x = 8,805.16

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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.