Home / 9,335.64-12,882.60-5,143.89

Finding the Fourth Proportional to 9,335.64, 12,882.60 and 5,143.89

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Solution

The fourth proportional to 9,335.64, 12,882.60 and 5,143.89 is: 7,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.64 : 12,882.60 = 5,143.89 : x
  2. Step 2: Convert to fraction form
    9,335.64/12,882.60 = 5,143.89/x
  3. Step 3: Cross multiply
    9,335.64x = 12,882.60 × 5,143.89
  4. Step 4: Simplify right side
    9,335.64x = 66,266,677.31
  5. Step 5: Solve for x
    x = 66,266,677.31/9,335.64
  6. Step 6: Final answer
    x = 7,098.25

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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.