Home / 10,803.79-16,205.15-4,231.18

Finding the Fourth Proportional to 10,803.79, 16,205.15 and 4,231.18

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Solution

The fourth proportional to 10,803.79, 16,205.15 and 4,231.18 is: 6,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.79 : 16,205.15 = 4,231.18 : x
  2. Step 2: Convert to fraction form
    10,803.79/16,205.15 = 4,231.18/x
  3. Step 3: Cross multiply
    10,803.79x = 16,205.15 × 4,231.18
  4. Step 4: Simplify right side
    10,803.79x = 68,566,885.42
  5. Step 5: Solve for x
    x = 68,566,885.42/10,803.79
  6. Step 6: Final answer
    x = 6,346.56

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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.