Home / 19,319.12-28,977.68-5,468.16

Finding the Fourth Proportional to 19,319.12, 28,977.68 and 5,468.16

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Solution

The fourth proportional to 19,319.12, 28,977.68 and 5,468.16 is: 8,201.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.12 : 28,977.68 = 5,468.16 : x
  2. Step 2: Convert to fraction form
    19,319.12/28,977.68 = 5,468.16/x
  3. Step 3: Cross multiply
    19,319.12x = 28,977.68 × 5,468.16
  4. Step 4: Simplify right side
    19,319.12x = 158,454,590.67
  5. Step 5: Solve for x
    x = 158,454,590.67/19,319.12
  6. Step 6: Final answer
    x = 8,201.96

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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.