Home / 14,958.78-20,643.26-8,244.66

Finding the Fourth Proportional to 14,958.78, 20,643.26 and 8,244.66

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Solution

The fourth proportional to 14,958.78, 20,643.26 and 8,244.66 is: 11,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,958.78 : 20,643.26 = 8,244.66 : x
  2. Step 2: Convert to fraction form
    14,958.78/20,643.26 = 8,244.66/x
  3. Step 3: Cross multiply
    14,958.78x = 20,643.26 × 8,244.66
  4. Step 4: Simplify right side
    14,958.78x = 170,196,638.12
  5. Step 5: Solve for x
    x = 170,196,638.12/14,958.78
  6. Step 6: Final answer
    x = 11,377.71

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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.