Home / 13,329.30-18,395.19-7,360.95

Finding the Fourth Proportional to 13,329.30, 18,395.19 and 7,360.95

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Solution

The fourth proportional to 13,329.30, 18,395.19 and 7,360.95 is: 10,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.30 : 18,395.19 = 7,360.95 : x
  2. Step 2: Convert to fraction form
    13,329.30/18,395.19 = 7,360.95/x
  3. Step 3: Cross multiply
    13,329.30x = 18,395.19 × 7,360.95
  4. Step 4: Simplify right side
    13,329.30x = 135,406,073.83
  5. Step 5: Solve for x
    x = 135,406,073.83/13,329.30
  6. Step 6: Final answer
    x = 10,158.53

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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.