Home / 21,058.81-29,061.38-11,627.35

Finding the Fourth Proportional to 21,058.81, 29,061.38 and 11,627.35

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Solution

The fourth proportional to 21,058.81, 29,061.38 and 11,627.35 is: 16,045.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058.81 : 29,061.38 = 11,627.35 : x
  2. Step 2: Convert to fraction form
    21,058.81/29,061.38 = 11,627.35/x
  3. Step 3: Cross multiply
    21,058.81x = 29,061.38 × 11,627.35
  4. Step 4: Simplify right side
    21,058.81x = 337,906,836.74
  5. Step 5: Solve for x
    x = 337,906,836.74/21,058.81
  6. Step 6: Final answer
    x = 16,045.87

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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.