Home / 12,867.29-19,298.23-3,631.13

Finding the Fourth Proportional to 12,867.29, 19,298.23 and 3,631.13

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Solution

The fourth proportional to 12,867.29, 19,298.23 and 3,631.13 is: 5,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.29 : 19,298.23 = 3,631.13 : x
  2. Step 2: Convert to fraction form
    12,867.29/19,298.23 = 3,631.13/x
  3. Step 3: Cross multiply
    12,867.29x = 19,298.23 × 3,631.13
  4. Step 4: Simplify right side
    12,867.29x = 70,074,276.33
  5. Step 5: Solve for x
    x = 70,074,276.33/12,867.29
  6. Step 6: Final answer
    x = 5,445.93

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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.