Home / 10,646.38-14,690.34-6,170.56

Finding the Fourth Proportional to 10,646.38, 14,690.34 and 6,170.56

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Solution

The fourth proportional to 10,646.38, 14,690.34 and 6,170.56 is: 8,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.38 : 14,690.34 = 6,170.56 : x
  2. Step 2: Convert to fraction form
    10,646.38/14,690.34 = 6,170.56/x
  3. Step 3: Cross multiply
    10,646.38x = 14,690.34 × 6,170.56
  4. Step 4: Simplify right side
    10,646.38x = 90,647,624.39
  5. Step 5: Solve for x
    x = 90,647,624.39/10,646.38
  6. Step 6: Final answer
    x = 8,514.41

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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.