Home / 21,618.17-29,833.01-12,058.05

Finding the Fourth Proportional to 21,618.17, 29,833.01 and 12,058.05

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Solution

The fourth proportional to 21,618.17, 29,833.01 and 12,058.05 is: 16,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618.17 : 29,833.01 = 12,058.05 : x
  2. Step 2: Convert to fraction form
    21,618.17/29,833.01 = 12,058.05/x
  3. Step 3: Cross multiply
    21,618.17x = 29,833.01 × 12,058.05
  4. Step 4: Simplify right side
    21,618.17x = 359,727,865.94
  5. Step 5: Solve for x
    x = 359,727,865.94/21,618.17
  6. Step 6: Final answer
    x = 16,640.07

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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.