Home / 11,386.20-17,079.30-9,636.60

Finding the Fourth Proportional to 11,386.20, 17,079.30 and 9,636.60

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Solution

The fourth proportional to 11,386.20, 17,079.30 and 9,636.60 is: 14,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.20 : 17,079.30 = 9,636.60 : x
  2. Step 2: Convert to fraction form
    11,386.20/17,079.30 = 9,636.60/x
  3. Step 3: Cross multiply
    11,386.20x = 17,079.30 × 9,636.60
  4. Step 4: Simplify right side
    11,386.20x = 164,586,382.38
  5. Step 5: Solve for x
    x = 164,586,382.38/11,386.20
  6. Step 6: Final answer
    x = 14,454.90

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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.