Home / 15,711.50-23,578.49-5,716.23

Finding the Fourth Proportional to 15,711.50, 23,578.49 and 5,716.23

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Solution

The fourth proportional to 15,711.50, 23,578.49 and 5,716.23 is: 8,578.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.50 : 23,578.49 = 5,716.23 : x
  2. Step 2: Convert to fraction form
    15,711.50/23,578.49 = 5,716.23/x
  3. Step 3: Cross multiply
    15,711.50x = 23,578.49 × 5,716.23
  4. Step 4: Simplify right side
    15,711.50x = 134,780,071.89
  5. Step 5: Solve for x
    x = 134,780,071.89/15,711.50
  6. Step 6: Final answer
    x = 8,578.43

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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.