Home / 21,657.15-32,489.00-9,177.23

Finding the Fourth Proportional to 21,657.15, 32,489.00 and 9,177.23

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Solution

The fourth proportional to 21,657.15, 32,489.00 and 9,177.23 is: 13,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657.15 : 32,489.00 = 9,177.23 : x
  2. Step 2: Convert to fraction form
    21,657.15/32,489.00 = 9,177.23/x
  3. Step 3: Cross multiply
    21,657.15x = 32,489.00 × 9,177.23
  4. Step 4: Simplify right side
    21,657.15x = 298,158,817.14
  5. Step 5: Solve for x
    x = 298,158,817.14/21,657.15
  6. Step 6: Final answer
    x = 13,767.22

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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.