Home / 21,440.60-32,162.16-8,293.04

Finding the Fourth Proportional to 21,440.60, 32,162.16 and 8,293.04

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Solution

The fourth proportional to 21,440.60, 32,162.16 and 8,293.04 is: 12,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.60 : 32,162.16 = 8,293.04 : x
  2. Step 2: Convert to fraction form
    21,440.60/32,162.16 = 8,293.04/x
  3. Step 3: Cross multiply
    21,440.60x = 32,162.16 × 8,293.04
  4. Step 4: Simplify right side
    21,440.60x = 266,722,079.37
  5. Step 5: Solve for x
    x = 266,722,079.37/21,440.60
  6. Step 6: Final answer
    x = 12,440.05

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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.