Home / 10,917.03-15,065.28-6,136.95

Finding the Fourth Proportional to 10,917.03, 15,065.28 and 6,136.95

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Solution

The fourth proportional to 10,917.03, 15,065.28 and 6,136.95 is: 8,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.03 : 15,065.28 = 6,136.95 : x
  2. Step 2: Convert to fraction form
    10,917.03/15,065.28 = 6,136.95/x
  3. Step 3: Cross multiply
    10,917.03x = 15,065.28 × 6,136.95
  4. Step 4: Simplify right side
    10,917.03x = 92,454,870.10
  5. Step 5: Solve for x
    x = 92,454,870.10/10,917.03
  6. Step 6: Final answer
    x = 8,468.87

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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.