Home / 12,682.95-17,508.57-8,441.07

Finding the Fourth Proportional to 12,682.95, 17,508.57 and 8,441.07

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Solution

The fourth proportional to 12,682.95, 17,508.57 and 8,441.07 is: 11,652.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.95 : 17,508.57 = 8,441.07 : x
  2. Step 2: Convert to fraction form
    12,682.95/17,508.57 = 8,441.07/x
  3. Step 3: Cross multiply
    12,682.95x = 17,508.57 × 8,441.07
  4. Step 4: Simplify right side
    12,682.95x = 147,791,064.97
  5. Step 5: Solve for x
    x = 147,791,064.97/12,682.95
  6. Step 6: Final answer
    x = 11,652.74

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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.