Home / 9,006.30-13,509.45-8,228.70

Finding the Fourth Proportional to 9,006.30, 13,509.45 and 8,228.70

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Solution

The fourth proportional to 9,006.30, 13,509.45 and 8,228.70 is: 12,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.30 : 13,509.45 = 8,228.70 : x
  2. Step 2: Convert to fraction form
    9,006.30/13,509.45 = 8,228.70/x
  3. Step 3: Cross multiply
    9,006.30x = 13,509.45 × 8,228.70
  4. Step 4: Simplify right side
    9,006.30x = 111,165,211.22
  5. Step 5: Solve for x
    x = 111,165,211.22/9,006.30
  6. Step 6: Final answer
    x = 12,343.05

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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.