Home / 10,613.34-14,647.68-6,138.54

Finding the Fourth Proportional to 10,613.34, 14,647.68 and 6,138.54

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Solution

The fourth proportional to 10,613.34, 14,647.68 and 6,138.54 is: 8,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.34 : 14,647.68 = 6,138.54 : x
  2. Step 2: Convert to fraction form
    10,613.34/14,647.68 = 6,138.54/x
  3. Step 3: Cross multiply
    10,613.34x = 14,647.68 × 6,138.54
  4. Step 4: Simplify right side
    10,613.34x = 89,915,369.59
  5. Step 5: Solve for x
    x = 89,915,369.59/10,613.34
  6. Step 6: Final answer
    x = 8,471.92

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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.