Home / 21,885.04-30,193.92-12,323.44

Finding the Fourth Proportional to 21,885.04, 30,193.92 and 12,323.44

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Solution

The fourth proportional to 21,885.04, 30,193.92 and 12,323.44 is: 17,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,885.04 : 30,193.92 = 12,323.44 : x
  2. Step 2: Convert to fraction form
    21,885.04/30,193.92 = 12,323.44/x
  3. Step 3: Cross multiply
    21,885.04x = 30,193.92 × 12,323.44
  4. Step 4: Simplify right side
    21,885.04x = 372,092,961.48
  5. Step 5: Solve for x
    x = 372,092,961.48/21,885.04
  6. Step 6: Final answer
    x = 17,002.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.