Home / 13,552.28-18,700.56-7,583.78

Finding the Fourth Proportional to 13,552.28, 18,700.56 and 7,583.78

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Solution

The fourth proportional to 13,552.28, 18,700.56 and 7,583.78 is: 10,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.28 : 18,700.56 = 7,583.78 : x
  2. Step 2: Convert to fraction form
    13,552.28/18,700.56 = 7,583.78/x
  3. Step 3: Cross multiply
    13,552.28x = 18,700.56 × 7,583.78
  4. Step 4: Simplify right side
    13,552.28x = 141,820,932.92
  5. Step 5: Solve for x
    x = 141,820,932.92/13,552.28
  6. Step 6: Final answer
    x = 10,464.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.