Home / 10,908.07-15,052.80-6,432.10

Finding the Fourth Proportional to 10,908.07, 15,052.80 and 6,432.10

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Solution

The fourth proportional to 10,908.07, 15,052.80 and 6,432.10 is: 8,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.07 : 15,052.80 = 6,432.10 : x
  2. Step 2: Convert to fraction form
    10,908.07/15,052.80 = 6,432.10/x
  3. Step 3: Cross multiply
    10,908.07x = 15,052.80 × 6,432.10
  4. Step 4: Simplify right side
    10,908.07x = 96,821,114.88
  5. Step 5: Solve for x
    x = 96,821,114.88/10,908.07
  6. Step 6: Final answer
    x = 8,876.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.