Home / 12,493.28-17,240.10-8,962.40

Finding the Fourth Proportional to 12,493.28, 17,240.10 and 8,962.40

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Solution

The fourth proportional to 12,493.28, 17,240.10 and 8,962.40 is: 12,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.28 : 17,240.10 = 8,962.40 : x
  2. Step 2: Convert to fraction form
    12,493.28/17,240.10 = 8,962.40/x
  3. Step 3: Cross multiply
    12,493.28x = 17,240.10 × 8,962.40
  4. Step 4: Simplify right side
    12,493.28x = 154,512,672.24
  5. Step 5: Solve for x
    x = 154,512,672.24/12,493.28
  6. Step 6: Final answer
    x = 12,367.66

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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.