Home / 18,513.32-25,542.26-10,962.16

Finding the Fourth Proportional to 18,513.32, 25,542.26 and 10,962.16

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Solution

The fourth proportional to 18,513.32, 25,542.26 and 10,962.16 is: 15,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.32 : 25,542.26 = 10,962.16 : x
  2. Step 2: Convert to fraction form
    18,513.32/25,542.26 = 10,962.16/x
  3. Step 3: Cross multiply
    18,513.32x = 25,542.26 × 10,962.16
  4. Step 4: Simplify right side
    18,513.32x = 279,998,340.88
  5. Step 5: Solve for x
    x = 279,998,340.88/18,513.32
  6. Step 6: Final answer
    x = 15,124.16

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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.