Home / 21,660.06-32,489.95-8,837.18

Finding the Fourth Proportional to 21,660.06, 32,489.95 and 8,837.18

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Solution

The fourth proportional to 21,660.06, 32,489.95 and 8,837.18 is: 13,255.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660.06 : 32,489.95 = 8,837.18 : x
  2. Step 2: Convert to fraction form
    21,660.06/32,489.95 = 8,837.18/x
  3. Step 3: Cross multiply
    21,660.06x = 32,489.95 × 8,837.18
  4. Step 4: Simplify right side
    21,660.06x = 287,119,536.34
  5. Step 5: Solve for x
    x = 287,119,536.34/21,660.06
  6. Step 6: Final answer
    x = 13,255.71

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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.