Home / 15,711.92-23,555.38-5,715.11

Finding the Fourth Proportional to 15,711.92, 23,555.38 and 5,715.11

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Solution

The fourth proportional to 15,711.92, 23,555.38 and 5,715.11 is: 8,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.92 : 23,555.38 = 5,715.11 : x
  2. Step 2: Convert to fraction form
    15,711.92/23,555.38 = 5,715.11/x
  3. Step 3: Cross multiply
    15,711.92x = 23,555.38 × 5,715.11
  4. Step 4: Simplify right side
    15,711.92x = 134,621,526.68
  5. Step 5: Solve for x
    x = 134,621,526.68/15,711.92
  6. Step 6: Final answer
    x = 8,568.11

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1.5x scale

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.