Home / 10,488.02-15,726.60-3,091.52

Finding the Fourth Proportional to 10,488.02, 15,726.60 and 3,091.52

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Solution

The fourth proportional to 10,488.02, 15,726.60 and 3,091.52 is: 4,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.02 : 15,726.60 = 3,091.52 : x
  2. Step 2: Convert to fraction form
    10,488.02/15,726.60 = 3,091.52/x
  3. Step 3: Cross multiply
    10,488.02x = 15,726.60 × 3,091.52
  4. Step 4: Simplify right side
    10,488.02x = 48,619,098.43
  5. Step 5: Solve for x
    x = 48,619,098.43/10,488.02
  6. Step 6: Final answer
    x = 4,635.68

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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.