Home / 19,326.06-28,979.64-8,230.14

Finding the Fourth Proportional to 19,326.06, 28,979.64 and 8,230.14

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Solution

The fourth proportional to 19,326.06, 28,979.64 and 8,230.14 is: 12,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.06 : 28,979.64 = 8,230.14 : x
  2. Step 2: Convert to fraction form
    19,326.06/28,979.64 = 8,230.14/x
  3. Step 3: Cross multiply
    19,326.06x = 28,979.64 × 8,230.14
  4. Step 4: Simplify right side
    19,326.06x = 238,506,494.35
  5. Step 5: Solve for x
    x = 238,506,494.35/19,326.06
  6. Step 6: Final answer
    x = 12,341.19

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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.