Home / 18,818.19-28,227.22-5,671.62

Finding the Fourth Proportional to 18,818.19, 28,227.22 and 5,671.62

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Solution

The fourth proportional to 18,818.19, 28,227.22 and 5,671.62 is: 8,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.19 : 28,227.22 = 5,671.62 : x
  2. Step 2: Convert to fraction form
    18,818.19/28,227.22 = 5,671.62/x
  3. Step 3: Cross multiply
    18,818.19x = 28,227.22 × 5,671.62
  4. Step 4: Simplify right side
    18,818.19x = 160,094,051.32
  5. Step 5: Solve for x
    x = 160,094,051.32/18,818.19
  6. Step 6: Final answer
    x = 8,507.41

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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.