Home / 10,197.47-14,073.14-5,721.50

Finding the Fourth Proportional to 10,197.47, 14,073.14 and 5,721.50

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Solution

The fourth proportional to 10,197.47, 14,073.14 and 5,721.50 is: 7,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.47 : 14,073.14 = 5,721.50 : x
  2. Step 2: Convert to fraction form
    10,197.47/14,073.14 = 5,721.50/x
  3. Step 3: Cross multiply
    10,197.47x = 14,073.14 × 5,721.50
  4. Step 4: Simplify right side
    10,197.47x = 80,519,470.51
  5. Step 5: Solve for x
    x = 80,519,470.51/10,197.47
  6. Step 6: Final answer
    x = 7,896.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.