Home / 18,127.40-27,184.55-6,277.95

Finding the Fourth Proportional to 18,127.40, 27,184.55 and 6,277.95

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Solution

The fourth proportional to 18,127.40, 27,184.55 and 6,277.95 is: 9,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,127.40 : 27,184.55 = 6,277.95 : x
  2. Step 2: Convert to fraction form
    18,127.40/27,184.55 = 6,277.95/x
  3. Step 3: Cross multiply
    18,127.40x = 27,184.55 × 6,277.95
  4. Step 4: Simplify right side
    18,127.40x = 170,663,214.28
  5. Step 5: Solve for x
    x = 170,663,214.28/18,127.40
  6. Step 6: Final answer
    x = 9,414.66

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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.