Home / 10,098.08-13,930.57-7,115.56

Finding the Fourth Proportional to 10,098.08, 13,930.57 and 7,115.56

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Solution

The fourth proportional to 10,098.08, 13,930.57 and 7,115.56 is: 9,816.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.08 : 13,930.57 = 7,115.56 : x
  2. Step 2: Convert to fraction form
    10,098.08/13,930.57 = 7,115.56/x
  3. Step 3: Cross multiply
    10,098.08x = 13,930.57 × 7,115.56
  4. Step 4: Simplify right side
    10,098.08x = 99,123,701.44
  5. Step 5: Solve for x
    x = 99,123,701.44/10,098.08
  6. Step 6: Final answer
    x = 9,816.09

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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.