Home / 15,115.53-22,677.14-8,880.81

Finding the Fourth Proportional to 15,115.53, 22,677.14 and 8,880.81

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Solution

The fourth proportional to 15,115.53, 22,677.14 and 8,880.81 is: 13,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.53 : 22,677.14 = 8,880.81 : x
  2. Step 2: Convert to fraction form
    15,115.53/22,677.14 = 8,880.81/x
  3. Step 3: Cross multiply
    15,115.53x = 22,677.14 × 8,880.81
  4. Step 4: Simplify right side
    15,115.53x = 201,391,371.68
  5. Step 5: Solve for x
    x = 201,391,371.68/15,115.53
  6. Step 6: Final answer
    x = 13,323.47

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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.