Home / 18,818.94-28,222.38-6,335.58

Finding the Fourth Proportional to 18,818.94, 28,222.38 and 6,335.58

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Solution

The fourth proportional to 18,818.94, 28,222.38 and 6,335.58 is: 9,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.94 : 28,222.38 = 6,335.58 : x
  2. Step 2: Convert to fraction form
    18,818.94/28,222.38 = 6,335.58/x
  3. Step 3: Cross multiply
    18,818.94x = 28,222.38 × 6,335.58
  4. Step 4: Simplify right side
    18,818.94x = 178,805,146.28
  5. Step 5: Solve for x
    x = 178,805,146.28/18,818.94
  6. Step 6: Final answer
    x = 9,501.34

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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.