Home / 10,885.61-15,022.32-6,169.79

Finding the Fourth Proportional to 10,885.61, 15,022.32 and 6,169.79

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Solution

The fourth proportional to 10,885.61, 15,022.32 and 6,169.79 is: 8,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.61 : 15,022.32 = 6,169.79 : x
  2. Step 2: Convert to fraction form
    10,885.61/15,022.32 = 6,169.79/x
  3. Step 3: Cross multiply
    10,885.61x = 15,022.32 × 6,169.79
  4. Step 4: Simplify right side
    10,885.61x = 92,684,559.71
  5. Step 5: Solve for x
    x = 92,684,559.71/10,885.61
  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.