Home / 21,395.04-32,092.56-8,247.12

Finding the Fourth Proportional to 21,395.04, 32,092.56 and 8,247.12

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Solution

The fourth proportional to 21,395.04, 32,092.56 and 8,247.12 is: 12,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.04 : 32,092.56 = 8,247.12 : x
  2. Step 2: Convert to fraction form
    21,395.04/32,092.56 = 8,247.12/x
  3. Step 3: Cross multiply
    21,395.04x = 32,092.56 × 8,247.12
  4. Step 4: Simplify right side
    21,395.04x = 264,671,193.43
  5. Step 5: Solve for x
    x = 264,671,193.43/21,395.04
  6. Step 6: Final answer
    x = 12,370.68

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Double scale
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Similar ratio
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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.