Home / 15,719.65-23,581.01-5,727.11

Finding the Fourth Proportional to 15,719.65, 23,581.01 and 5,727.11

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Solution

The fourth proportional to 15,719.65, 23,581.01 and 5,727.11 is: 8,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719.65 : 23,581.01 = 5,727.11 : x
  2. Step 2: Convert to fraction form
    15,719.65/23,581.01 = 5,727.11/x
  3. Step 3: Cross multiply
    15,719.65x = 23,581.01 × 5,727.11
  4. Step 4: Simplify right side
    15,719.65x = 135,050,891.64
  5. Step 5: Solve for x
    x = 135,050,891.64/15,719.65
  6. Step 6: Final answer
    x = 8,591.22

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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.