Home / 15,439.98-23,122.71-9,876.36

Finding the Fourth Proportional to 15,439.98, 23,122.71 and 9,876.36

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Solution

The fourth proportional to 15,439.98, 23,122.71 and 9,876.36 is: 14,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.98 : 23,122.71 = 9,876.36 : x
  2. Step 2: Convert to fraction form
    15,439.98/23,122.71 = 9,876.36/x
  3. Step 3: Cross multiply
    15,439.98x = 23,122.71 × 9,876.36
  4. Step 4: Simplify right side
    15,439.98x = 228,368,208.14
  5. Step 5: Solve for x
    x = 228,368,208.14/15,439.98
  6. Step 6: Final answer
    x = 14,790.71

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1.5x scale

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.