Home / 19,395.66-29,102.13-10,159.50

Finding the Fourth Proportional to 19,395.66, 29,102.13 and 10,159.50

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Solution

The fourth proportional to 19,395.66, 29,102.13 and 10,159.50 is: 15,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.66 : 29,102.13 = 10,159.50 : x
  2. Step 2: Convert to fraction form
    19,395.66/29,102.13 = 10,159.50/x
  3. Step 3: Cross multiply
    19,395.66x = 29,102.13 × 10,159.50
  4. Step 4: Simplify right side
    19,395.66x = 295,663,089.74
  5. Step 5: Solve for x
    x = 295,663,089.74/19,395.66
  6. Step 6: Final answer
    x = 15,243.78

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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.