Home / 15,147.06-22,720.61-4,758.81

Finding the Fourth Proportional to 15,147.06, 22,720.61 and 4,758.81

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Solution

The fourth proportional to 15,147.06, 22,720.61 and 4,758.81 is: 7,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.06 : 22,720.61 = 4,758.81 : x
  2. Step 2: Convert to fraction form
    15,147.06/22,720.61 = 4,758.81/x
  3. Step 3: Cross multiply
    15,147.06x = 22,720.61 × 4,758.81
  4. Step 4: Simplify right side
    15,147.06x = 108,123,066.07
  5. Step 5: Solve for x
    x = 108,123,066.07/15,147.06
  6. Step 6: Final answer
    x = 7,138.22

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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.