Home / 14,052.30-21,078.45-9,386.70

Finding the Fourth Proportional to 14,052.30, 21,078.45 and 9,386.70

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Solution

The fourth proportional to 14,052.30, 21,078.45 and 9,386.70 is: 14,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.30 : 21,078.45 = 9,386.70 : x
  2. Step 2: Convert to fraction form
    14,052.30/21,078.45 = 9,386.70/x
  3. Step 3: Cross multiply
    14,052.30x = 21,078.45 × 9,386.70
  4. Step 4: Simplify right side
    14,052.30x = 197,857,086.62
  5. Step 5: Solve for x
    x = 197,857,086.62/14,052.30
  6. Step 6: Final answer
    x = 14,080.05

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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.