Home / 13,310.46-18,369.24-7,342.08

Finding the Fourth Proportional to 13,310.46, 18,369.24 and 7,342.08

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Solution

The fourth proportional to 13,310.46, 18,369.24 and 7,342.08 is: 10,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.46 : 18,369.24 = 7,342.08 : x
  2. Step 2: Convert to fraction form
    13,310.46/18,369.24 = 7,342.08/x
  3. Step 3: Cross multiply
    13,310.46x = 18,369.24 × 7,342.08
  4. Step 4: Simplify right side
    13,310.46x = 134,868,429.62
  5. Step 5: Solve for x
    x = 134,868,429.62/13,310.46
  6. Step 6: Final answer
    x = 10,132.51

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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.