Home / 10,962.75-16,449.53-5,119.77

Finding the Fourth Proportional to 10,962.75, 16,449.53 and 5,119.77

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Solution

The fourth proportional to 10,962.75, 16,449.53 and 5,119.77 is: 7,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.75 : 16,449.53 = 5,119.77 : x
  2. Step 2: Convert to fraction form
    10,962.75/16,449.53 = 5,119.77/x
  3. Step 3: Cross multiply
    10,962.75x = 16,449.53 × 5,119.77
  4. Step 4: Simplify right side
    10,962.75x = 84,217,810.21
  5. Step 5: Solve for x
    x = 84,217,810.21/10,962.75
  6. Step 6: Final answer
    x = 7,682.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.