Home / 21,980.04-32,974.30-7,184.96

Finding the Fourth Proportional to 21,980.04, 32,974.30 and 7,184.96

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Solution

The fourth proportional to 21,980.04, 32,974.30 and 7,184.96 is: 10,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,980.04 : 32,974.30 = 7,184.96 : x
  2. Step 2: Convert to fraction form
    21,980.04/32,974.30 = 7,184.96/x
  3. Step 3: Cross multiply
    21,980.04x = 32,974.30 × 7,184.96
  4. Step 4: Simplify right side
    21,980.04x = 236,919,026.53
  5. Step 5: Solve for x
    x = 236,919,026.53/21,980.04
  6. Step 6: Final answer
    x = 10,778.83

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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.