Home / 18,323.55-27,486.13-5,176.95

Finding the Fourth Proportional to 18,323.55, 27,486.13 and 5,176.95

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Solution

The fourth proportional to 18,323.55, 27,486.13 and 5,176.95 is: 7,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.55 : 27,486.13 = 5,176.95 : x
  2. Step 2: Convert to fraction form
    18,323.55/27,486.13 = 5,176.95/x
  3. Step 3: Cross multiply
    18,323.55x = 27,486.13 × 5,176.95
  4. Step 4: Simplify right side
    18,323.55x = 142,294,320.70
  5. Step 5: Solve for x
    x = 142,294,320.70/18,323.55
  6. Step 6: Final answer
    x = 7,765.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.