Home / 10,638.74-14,680.78-6,162.14

Finding the Fourth Proportional to 10,638.74, 14,680.78 and 6,162.14

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Solution

The fourth proportional to 10,638.74, 14,680.78 and 6,162.14 is: 8,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.74 : 14,680.78 = 6,162.14 : x
  2. Step 2: Convert to fraction form
    10,638.74/14,680.78 = 6,162.14/x
  3. Step 3: Cross multiply
    10,638.74x = 14,680.78 × 6,162.14
  4. Step 4: Simplify right side
    10,638.74x = 90,465,042.97
  5. Step 5: Solve for x
    x = 90,465,042.97/10,638.74
  6. Step 6: Final answer
    x = 8,503.36

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1.5x scale

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.