Home / 10,351.40-14,286.80-6,102.21

Finding the Fourth Proportional to 10,351.40, 14,286.80 and 6,102.21

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Solution

The fourth proportional to 10,351.40, 14,286.80 and 6,102.21 is: 8,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.40 : 14,286.80 = 6,102.21 : x
  2. Step 2: Convert to fraction form
    10,351.40/14,286.80 = 6,102.21/x
  3. Step 3: Cross multiply
    10,351.40x = 14,286.80 × 6,102.21
  4. Step 4: Simplify right side
    10,351.40x = 87,181,034.76
  5. Step 5: Solve for x
    x = 87,181,034.76/10,351.40
  6. Step 6: Final answer
    x = 8,422.15

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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.