Home / 13,296.96-18,350.90-7,329.79

Finding the Fourth Proportional to 13,296.96, 18,350.90 and 7,329.79

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Solution

The fourth proportional to 13,296.96, 18,350.90 and 7,329.79 is: 10,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.96 : 18,350.90 = 7,329.79 : x
  2. Step 2: Convert to fraction form
    13,296.96/18,350.90 = 7,329.79/x
  3. Step 3: Cross multiply
    13,296.96x = 18,350.90 × 7,329.79
  4. Step 4: Simplify right side
    13,296.96x = 134,508,298.32
  5. Step 5: Solve for x
    x = 134,508,298.32/13,296.96
  6. Step 6: Final answer
    x = 10,115.72

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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.