Home / 21,980.04-32,974.92-12,114.24

Finding the Fourth Proportional to 21,980.04, 32,974.92 and 12,114.24

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Solution

The fourth proportional to 21,980.04, 32,974.92 and 12,114.24 is: 18,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,980.04 : 32,974.92 = 12,114.24 : x
  2. Step 2: Convert to fraction form
    21,980.04/32,974.92 = 12,114.24/x
  3. Step 3: Cross multiply
    21,980.04x = 32,974.92 × 12,114.24
  4. Step 4: Simplify right side
    21,980.04x = 399,466,094.86
  5. Step 5: Solve for x
    x = 399,466,094.86/21,980.04
  6. Step 6: Final answer
    x = 18,174.04

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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.