Home / 10,147.32-14,005.65-6,604.38

Finding the Fourth Proportional to 10,147.32, 14,005.65 and 6,604.38

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Solution

The fourth proportional to 10,147.32, 14,005.65 and 6,604.38 is: 9,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.32 : 14,005.65 = 6,604.38 : x
  2. Step 2: Convert to fraction form
    10,147.32/14,005.65 = 6,604.38/x
  3. Step 3: Cross multiply
    10,147.32x = 14,005.65 × 6,604.38
  4. Step 4: Simplify right side
    10,147.32x = 92,498,634.75
  5. Step 5: Solve for x
    x = 92,498,634.75/10,147.32
  6. Step 6: Final answer
    x = 9,115.57

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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.