Home / 21,618.24-29,833.11-12,058.14

Finding the Fourth Proportional to 21,618.24, 29,833.11 and 12,058.14

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Solution

The fourth proportional to 21,618.24, 29,833.11 and 12,058.14 is: 16,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618.24 : 29,833.11 = 12,058.14 : x
  2. Step 2: Convert to fraction form
    21,618.24/29,833.11 = 12,058.14/x
  3. Step 3: Cross multiply
    21,618.24x = 29,833.11 × 12,058.14
  4. Step 4: Simplify right side
    21,618.24x = 359,731,817.02
  5. Step 5: Solve for x
    x = 359,731,817.02/21,618.24
  6. Step 6: Final answer
    x = 16,640.20

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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.