Home / 10,538.08-15,815.02-4,993.02

Finding the Fourth Proportional to 10,538.08, 15,815.02 and 4,993.02

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Solution

The fourth proportional to 10,538.08, 15,815.02 and 4,993.02 is: 7,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.08 : 15,815.02 = 4,993.02 : x
  2. Step 2: Convert to fraction form
    10,538.08/15,815.02 = 4,993.02/x
  3. Step 3: Cross multiply
    10,538.08x = 15,815.02 × 4,993.02
  4. Step 4: Simplify right side
    10,538.08x = 78,964,711.16
  5. Step 5: Solve for x
    x = 78,964,711.16/10,538.08
  6. Step 6: Final answer
    x = 7,493.27

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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.