Home / 9,155.38-12,634.46-4,963.63

Finding the Fourth Proportional to 9,155.38, 12,634.46 and 4,963.63

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Solution

The fourth proportional to 9,155.38, 12,634.46 and 4,963.63 is: 6,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.38 : 12,634.46 = 4,963.63 : x
  2. Step 2: Convert to fraction form
    9,155.38/12,634.46 = 4,963.63/x
  3. Step 3: Cross multiply
    9,155.38x = 12,634.46 × 4,963.63
  4. Step 4: Simplify right side
    9,155.38x = 62,712,784.69
  5. Step 5: Solve for x
    x = 62,712,784.69/9,155.38
  6. Step 6: Final answer
    x = 6,849.83

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Double scale
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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.