Home / 10,391.26-15,587.02-3,465.76

Finding the Fourth Proportional to 10,391.26, 15,587.02 and 3,465.76

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Solution

The fourth proportional to 10,391.26, 15,587.02 and 3,465.76 is: 5,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.26 : 15,587.02 = 3,465.76 : x
  2. Step 2: Convert to fraction form
    10,391.26/15,587.02 = 3,465.76/x
  3. Step 3: Cross multiply
    10,391.26x = 15,587.02 × 3,465.76
  4. Step 4: Simplify right side
    10,391.26x = 54,020,870.44
  5. Step 5: Solve for x
    x = 54,020,870.44/10,391.26
  6. Step 6: Final answer
    x = 5,198.68

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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.