Home / 12,526.67-18,781.10-6,282.17

Finding the Fourth Proportional to 12,526.67, 18,781.10 and 6,282.17

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Solution

The fourth proportional to 12,526.67, 18,781.10 and 6,282.17 is: 9,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.67 : 18,781.10 = 6,282.17 : x
  2. Step 2: Convert to fraction form
    12,526.67/18,781.10 = 6,282.17/x
  3. Step 3: Cross multiply
    12,526.67x = 18,781.10 × 6,282.17
  4. Step 4: Simplify right side
    12,526.67x = 117,986,031.58
  5. Step 5: Solve for x
    x = 117,986,031.58/12,526.67
  6. Step 6: Final answer
    x = 9,418.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.