Home / 9,119.72-13,679.56-3,569.17

Finding the Fourth Proportional to 9,119.72, 13,679.56 and 3,569.17

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Solution

The fourth proportional to 9,119.72, 13,679.56 and 3,569.17 is: 5,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.72 : 13,679.56 = 3,569.17 : x
  2. Step 2: Convert to fraction form
    9,119.72/13,679.56 = 3,569.17/x
  3. Step 3: Cross multiply
    9,119.72x = 13,679.56 × 3,569.17
  4. Step 4: Simplify right side
    9,119.72x = 48,824,588.92
  5. Step 5: Solve for x
    x = 48,824,588.92/9,119.72
  6. Step 6: Final answer
    x = 5,353.74

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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.