Home / 13,329.17-18,394.28-7,360.85

Finding the Fourth Proportional to 13,329.17, 18,394.28 and 7,360.85

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Solution

The fourth proportional to 13,329.17, 18,394.28 and 7,360.85 is: 10,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.17 : 18,394.28 = 7,360.85 : x
  2. Step 2: Convert to fraction form
    13,329.17/18,394.28 = 7,360.85/x
  3. Step 3: Cross multiply
    13,329.17x = 18,394.28 × 7,360.85
  4. Step 4: Simplify right side
    13,329.17x = 135,397,407.16
  5. Step 5: Solve for x
    x = 135,397,407.16/13,329.17
  6. Step 6: Final answer
    x = 10,157.98

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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.