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Finding the Fourth Proportional to 12,541, 18,805.80 and 5,975.12

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Solution

The fourth proportional to 12,541, 18,805.80 and 5,975.12 is: 8,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541 : 18,805.80 = 5,975.12 : x
  2. Step 2: Convert to fraction form
    12,541/18,805.80 = 5,975.12/x
  3. Step 3: Cross multiply
    12,541x = 18,805.80 × 5,975.12
  4. Step 4: Simplify right side
    12,541x = 112,366,911.70
  5. Step 5: Solve for x
    x = 112,366,911.70/12,541
  6. Step 6: Final answer
    x = 8,959.96

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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.