Home / 18,845.12-28,248-6,360.84

Finding the Fourth Proportional to 18,845.12, 28,248 and 6,360.84

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Solution

The fourth proportional to 18,845.12, 28,248 and 6,360.84 is: 9,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.12 : 28,248 = 6,360.84 : x
  2. Step 2: Convert to fraction form
    18,845.12/28,248 = 6,360.84/x
  3. Step 3: Cross multiply
    18,845.12x = 28,248 × 6,360.84
  4. Step 4: Simplify right side
    18,845.12x = 179,681,008.32
  5. Step 5: Solve for x
    x = 179,681,008.32/18,845.12
  6. Step 6: Final answer
    x = 9,534.62

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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.