Home / 15,965.10-23,951.52-4,871.98

Finding the Fourth Proportional to 15,965.10, 23,951.52 and 4,871.98

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Solution

The fourth proportional to 15,965.10, 23,951.52 and 4,871.98 is: 7,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.10 : 23,951.52 = 4,871.98 : x
  2. Step 2: Convert to fraction form
    15,965.10/23,951.52 = 4,871.98/x
  3. Step 3: Cross multiply
    15,965.10x = 23,951.52 × 4,871.98
  4. Step 4: Simplify right side
    15,965.10x = 116,691,326.41
  5. Step 5: Solve for x
    x = 116,691,326.41/15,965.10
  6. Step 6: Final answer
    x = 7,309.15

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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.