Home / 9,153.38-13,730.07-3,308.62

Finding the Fourth Proportional to 9,153.38, 13,730.07 and 3,308.62

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Solution

The fourth proportional to 9,153.38, 13,730.07 and 3,308.62 is: 4,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.38 : 13,730.07 = 3,308.62 : x
  2. Step 2: Convert to fraction form
    9,153.38/13,730.07 = 3,308.62/x
  3. Step 3: Cross multiply
    9,153.38x = 13,730.07 × 3,308.62
  4. Step 4: Simplify right side
    9,153.38x = 45,427,612.69
  5. Step 5: Solve for x
    x = 45,427,612.69/9,153.38
  6. Step 6: Final answer
    x = 4,962.93

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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.