Home / 18,897.55-28,341.24-5,746.39

Finding the Fourth Proportional to 18,897.55, 28,341.24 and 5,746.39

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Solution

The fourth proportional to 18,897.55, 28,341.24 and 5,746.39 is: 8,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.55 : 28,341.24 = 5,746.39 : x
  2. Step 2: Convert to fraction form
    18,897.55/28,341.24 = 5,746.39/x
  3. Step 3: Cross multiply
    18,897.55x = 28,341.24 × 5,746.39
  4. Step 4: Simplify right side
    18,897.55x = 162,859,818.12
  5. Step 5: Solve for x
    x = 162,859,818.12/18,897.55
  6. Step 6: Final answer
    x = 8,618.04

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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.