Home / 15,975.84-23,966.61-6,610.78

Finding the Fourth Proportional to 15,975.84, 23,966.61 and 6,610.78

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Solution

The fourth proportional to 15,975.84, 23,966.61 and 6,610.78 is: 9,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.84 : 23,966.61 = 6,610.78 : x
  2. Step 2: Convert to fraction form
    15,975.84/23,966.61 = 6,610.78/x
  3. Step 3: Cross multiply
    15,975.84x = 23,966.61 × 6,610.78
  4. Step 4: Simplify right side
    15,975.84x = 158,437,991.22
  5. Step 5: Solve for x
    x = 158,437,991.22/15,975.84
  6. Step 6: Final answer
    x = 9,917.35

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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.