Home / 14,058.56-21,069.66-5,728.88

Finding the Fourth Proportional to 14,058.56, 21,069.66 and 5,728.88

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Solution

The fourth proportional to 14,058.56, 21,069.66 and 5,728.88 is: 8,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.56 : 21,069.66 = 5,728.88 : x
  2. Step 2: Convert to fraction form
    14,058.56/21,069.66 = 5,728.88/x
  3. Step 3: Cross multiply
    14,058.56x = 21,069.66 × 5,728.88
  4. Step 4: Simplify right side
    14,058.56x = 120,705,553.78
  5. Step 5: Solve for x
    x = 120,705,553.78/14,058.56
  6. Step 6: Final answer
    x = 8,585.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.