Home / 15,142.72-22,715.36-4,754.48

Finding the Fourth Proportional to 15,142.72, 22,715.36 and 4,754.48

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Solution

The fourth proportional to 15,142.72, 22,715.36 and 4,754.48 is: 7,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.72 : 22,715.36 = 4,754.48 : x
  2. Step 2: Convert to fraction form
    15,142.72/22,715.36 = 4,754.48/x
  3. Step 3: Cross multiply
    15,142.72x = 22,715.36 × 4,754.48
  4. Step 4: Simplify right side
    15,142.72x = 107,999,724.81
  5. Step 5: Solve for x
    x = 107,999,724.81/15,142.72
  6. Step 6: Final answer
    x = 7,132.12

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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.