Home / 13,184.29-19,750.29-6,934.87

Finding the Fourth Proportional to 13,184.29, 19,750.29 and 6,934.87

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Solution

The fourth proportional to 13,184.29, 19,750.29 and 6,934.87 is: 10,388.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.29 : 19,750.29 = 6,934.87 : x
  2. Step 2: Convert to fraction form
    13,184.29/19,750.29 = 6,934.87/x
  3. Step 3: Cross multiply
    13,184.29x = 19,750.29 × 6,934.87
  4. Step 4: Simplify right side
    13,184.29x = 136,965,693.61
  5. Step 5: Solve for x
    x = 136,965,693.61/13,184.29
  6. Step 6: Final answer
    x = 10,388.55

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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.