Home / 13,095.06-19,643.22-4,329.78

Finding the Fourth Proportional to 13,095.06, 19,643.22 and 4,329.78

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Solution

The fourth proportional to 13,095.06, 19,643.22 and 4,329.78 is: 6,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,095.06 : 19,643.22 = 4,329.78 : x
  2. Step 2: Convert to fraction form
    13,095.06/19,643.22 = 4,329.78/x
  3. Step 3: Cross multiply
    13,095.06x = 19,643.22 × 4,329.78
  4. Step 4: Simplify right side
    13,095.06x = 85,050,821.09
  5. Step 5: Solve for x
    x = 85,050,821.09/13,095.06
  6. Step 6: Final answer
    x = 6,494.88

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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.