Home / 18,081.49-27,117.98-4,930.74

Finding the Fourth Proportional to 18,081.49, 27,117.98 and 4,930.74

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Solution

The fourth proportional to 18,081.49, 27,117.98 and 4,930.74 is: 7,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.49 : 27,117.98 = 4,930.74 : x
  2. Step 2: Convert to fraction form
    18,081.49/27,117.98 = 4,930.74/x
  3. Step 3: Cross multiply
    18,081.49x = 27,117.98 × 4,930.74
  4. Step 4: Simplify right side
    18,081.49x = 133,711,708.71
  5. Step 5: Solve for x
    x = 133,711,708.71/18,081.49
  6. Step 6: Final answer
    x = 7,394.95

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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.