Home / 12,521.20-17,276.42-7,484.58

Finding the Fourth Proportional to 12,521.20, 17,276.42 and 7,484.58

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Solution

The fourth proportional to 12,521.20, 17,276.42 and 7,484.58 is: 10,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.20 : 17,276.42 = 7,484.58 : x
  2. Step 2: Convert to fraction form
    12,521.20/17,276.42 = 7,484.58/x
  3. Step 3: Cross multiply
    12,521.20x = 17,276.42 × 7,484.58
  4. Step 4: Simplify right side
    12,521.20x = 129,306,747.60
  5. Step 5: Solve for x
    x = 129,306,747.60/12,521.20
  6. Step 6: Final answer
    x = 10,327.03

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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.