Home / 21,104.24-29,125.30-12,154.10

Finding the Fourth Proportional to 21,104.24, 29,125.30 and 12,154.10

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Solution

The fourth proportional to 21,104.24, 29,125.30 and 12,154.10 is: 16,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,104.24 : 29,125.30 = 12,154.10 : x
  2. Step 2: Convert to fraction form
    21,104.24/29,125.30 = 12,154.10/x
  3. Step 3: Cross multiply
    21,104.24x = 29,125.30 × 12,154.10
  4. Step 4: Simplify right side
    21,104.24x = 353,991,808.73
  5. Step 5: Solve for x
    x = 353,991,808.73/21,104.24
  6. Step 6: Final answer
    x = 16,773.49

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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.