Home / 14,711.85-20,302.27-8,339.64

Finding the Fourth Proportional to 14,711.85, 20,302.27 and 8,339.64

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Solution

The fourth proportional to 14,711.85, 20,302.27 and 8,339.64 is: 11,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.85 : 20,302.27 = 8,339.64 : x
  2. Step 2: Convert to fraction form
    14,711.85/20,302.27 = 8,339.64/x
  3. Step 3: Cross multiply
    14,711.85x = 20,302.27 × 8,339.64
  4. Step 4: Simplify right side
    14,711.85x = 169,313,581.28
  5. Step 5: Solve for x
    x = 169,313,581.28/14,711.85
  6. Step 6: Final answer
    x = 11,508.66

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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.