Home / 13,306.95-18,367.43-9,329.04

Finding the Fourth Proportional to 13,306.95, 18,367.43 and 9,329.04

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Solution

The fourth proportional to 13,306.95, 18,367.43 and 9,329.04 is: 12,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.95 : 18,367.43 = 9,329.04 : x
  2. Step 2: Convert to fraction form
    13,306.95/18,367.43 = 9,329.04/x
  3. Step 3: Cross multiply
    13,306.95x = 18,367.43 × 9,329.04
  4. Step 4: Simplify right side
    13,306.95x = 171,350,442.52
  5. Step 5: Solve for x
    x = 171,350,442.52/13,306.95
  6. Step 6: Final answer
    x = 12,876.76

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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.