Home / 13,306.65-18,363.30-7,338.16

Finding the Fourth Proportional to 13,306.65, 18,363.30 and 7,338.16

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Solution

The fourth proportional to 13,306.65, 18,363.30 and 7,338.16 is: 10,126.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.65 : 18,363.30 = 7,338.16 : x
  2. Step 2: Convert to fraction form
    13,306.65/18,363.30 = 7,338.16/x
  3. Step 3: Cross multiply
    13,306.65x = 18,363.30 × 7,338.16
  4. Step 4: Simplify right side
    13,306.65x = 134,752,833.53
  5. Step 5: Solve for x
    x = 134,752,833.53/13,306.65
  6. Step 6: Final answer
    x = 10,126.73

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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.