Home / 10,330.64-14,251.92-6,138.08

Finding the Fourth Proportional to 10,330.64, 14,251.92 and 6,138.08

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Solution

The fourth proportional to 10,330.64, 14,251.92 and 6,138.08 is: 8,467.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.64 : 14,251.92 = 6,138.08 : x
  2. Step 2: Convert to fraction form
    10,330.64/14,251.92 = 6,138.08/x
  3. Step 3: Cross multiply
    10,330.64x = 14,251.92 × 6,138.08
  4. Step 4: Simplify right side
    10,330.64x = 87,479,425.11
  5. Step 5: Solve for x
    x = 87,479,425.11/10,330.64
  6. Step 6: Final answer
    x = 8,467.96

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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.