Home / 9,116.30-13,674.45-5,221.10

Finding the Fourth Proportional to 9,116.30, 13,674.45 and 5,221.10

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Solution

The fourth proportional to 9,116.30, 13,674.45 and 5,221.10 is: 7,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.30 : 13,674.45 = 5,221.10 : x
  2. Step 2: Convert to fraction form
    9,116.30/13,674.45 = 5,221.10/x
  3. Step 3: Cross multiply
    9,116.30x = 13,674.45 × 5,221.10
  4. Step 4: Simplify right side
    9,116.30x = 71,395,670.90
  5. Step 5: Solve for x
    x = 71,395,670.90/9,116.30
  6. Step 6: Final answer
    x = 7,831.65

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Double scale
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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.