Home / 10,571.50-15,857.38-5,025.38

Finding the Fourth Proportional to 10,571.50, 15,857.38 and 5,025.38

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Solution

The fourth proportional to 10,571.50, 15,857.38 and 5,025.38 is: 7,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.50 : 15,857.38 = 5,025.38 : x
  2. Step 2: Convert to fraction form
    10,571.50/15,857.38 = 5,025.38/x
  3. Step 3: Cross multiply
    10,571.50x = 15,857.38 × 5,025.38
  4. Step 4: Simplify right side
    10,571.50x = 79,689,360.30
  5. Step 5: Solve for x
    x = 79,689,360.30/10,571.50
  6. Step 6: Final answer
    x = 7,538.13

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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.