Home / 18,876.84-28,318.76-6,227.36

Finding the Fourth Proportional to 18,876.84, 28,318.76 and 6,227.36

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Solution

The fourth proportional to 18,876.84, 28,318.76 and 6,227.36 is: 9,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876.84 : 28,318.76 = 6,227.36 : x
  2. Step 2: Convert to fraction form
    18,876.84/28,318.76 = 6,227.36/x
  3. Step 3: Cross multiply
    18,876.84x = 28,318.76 × 6,227.36
  4. Step 4: Simplify right side
    18,876.84x = 176,351,113.27
  5. Step 5: Solve for x
    x = 176,351,113.27/18,876.84
  6. Step 6: Final answer
    x = 9,342.19

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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.