Home / 15,655.29-23,483.79-3,968.61

Finding the Fourth Proportional to 15,655.29, 23,483.79 and 3,968.61

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Solution

The fourth proportional to 15,655.29, 23,483.79 and 3,968.61 is: 5,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.29 : 23,483.79 = 3,968.61 : x
  2. Step 2: Convert to fraction form
    15,655.29/23,483.79 = 3,968.61/x
  3. Step 3: Cross multiply
    15,655.29x = 23,483.79 × 3,968.61
  4. Step 4: Simplify right side
    15,655.29x = 93,198,003.83
  5. Step 5: Solve for x
    x = 93,198,003.83/15,655.29
  6. Step 6: Final answer
    x = 5,953.13

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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.