Home / 14,055.20-21,082.80-9,389.60

Finding the Fourth Proportional to 14,055.20, 21,082.80 and 9,389.60

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Solution

The fourth proportional to 14,055.20, 21,082.80 and 9,389.60 is: 14,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.20 : 21,082.80 = 9,389.60 : x
  2. Step 2: Convert to fraction form
    14,055.20/21,082.80 = 9,389.60/x
  3. Step 3: Cross multiply
    14,055.20x = 21,082.80 × 9,389.60
  4. Step 4: Simplify right side
    14,055.20x = 197,959,058.88
  5. Step 5: Solve for x
    x = 197,959,058.88/14,055.20
  6. Step 6: Final answer
    x = 14,084.40

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Similar ratio
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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.