Home / 9,465.40-14,198.10-5,318.20

Finding the Fourth Proportional to 9,465.40, 14,198.10 and 5,318.20

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Solution

The fourth proportional to 9,465.40, 14,198.10 and 5,318.20 is: 7,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,465.40 : 14,198.10 = 5,318.20 : x
  2. Step 2: Convert to fraction form
    9,465.40/14,198.10 = 5,318.20/x
  3. Step 3: Cross multiply
    9,465.40x = 14,198.10 × 5,318.20
  4. Step 4: Simplify right side
    9,465.40x = 75,508,335.42
  5. Step 5: Solve for x
    x = 75,508,335.42/9,465.40
  6. Step 6: Final answer
    x = 7,977.30

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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.