Home / 18,531.78-25,576.32-10,572.18

Finding the Fourth Proportional to 18,531.78, 25,576.32 and 10,572.18

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Solution

The fourth proportional to 18,531.78, 25,576.32 and 10,572.18 is: 14,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.78 : 25,576.32 = 10,572.18 : x
  2. Step 2: Convert to fraction form
    18,531.78/25,576.32 = 10,572.18/x
  3. Step 3: Cross multiply
    18,531.78x = 25,576.32 × 10,572.18
  4. Step 4: Simplify right side
    18,531.78x = 270,397,458.78
  5. Step 5: Solve for x
    x = 270,397,458.78/18,531.78
  6. Step 6: Final answer
    x = 14,591.01

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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.