Home / 13,098.38-19,647.56-5,307.19

Finding the Fourth Proportional to 13,098.38, 19,647.56 and 5,307.19

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Solution

The fourth proportional to 13,098.38, 19,647.56 and 5,307.19 is: 7,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.38 : 19,647.56 = 5,307.19 : x
  2. Step 2: Convert to fraction form
    13,098.38/19,647.56 = 5,307.19/x
  3. Step 3: Cross multiply
    13,098.38x = 19,647.56 × 5,307.19
  4. Step 4: Simplify right side
    13,098.38x = 104,273,298.11
  5. Step 5: Solve for x
    x = 104,273,298.11/13,098.38
  6. Step 6: Final answer
    x = 7,960.78

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Similar ratio
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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.