Home / 10,082.48-13,911.55-6,103.55

Finding the Fourth Proportional to 10,082.48, 13,911.55 and 6,103.55

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Solution

The fourth proportional to 10,082.48, 13,911.55 and 6,103.55 is: 8,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.48 : 13,911.55 = 6,103.55 : x
  2. Step 2: Convert to fraction form
    10,082.48/13,911.55 = 6,103.55/x
  3. Step 3: Cross multiply
    10,082.48x = 13,911.55 × 6,103.55
  4. Step 4: Simplify right side
    10,082.48x = 84,909,860.52
  5. Step 5: Solve for x
    x = 84,909,860.52/10,082.48
  6. Step 6: Final answer
    x = 8,421.53

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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.