Home / 13,116.92-18,099.27-7,373.24

Finding the Fourth Proportional to 13,116.92, 18,099.27 and 7,373.24

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Solution

The fourth proportional to 13,116.92, 18,099.27 and 7,373.24 is: 10,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.92 : 18,099.27 = 7,373.24 : x
  2. Step 2: Convert to fraction form
    13,116.92/18,099.27 = 7,373.24/x
  3. Step 3: Cross multiply
    13,116.92x = 18,099.27 × 7,373.24
  4. Step 4: Simplify right side
    13,116.92x = 133,450,171.04
  5. Step 5: Solve for x
    x = 133,450,171.04/13,116.92
  6. Step 6: Final answer
    x = 10,173.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.