Home / 14,744.80-20,348.22-8,030.72

Finding the Fourth Proportional to 14,744.80, 20,348.22 and 8,030.72

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Solution

The fourth proportional to 14,744.80, 20,348.22 and 8,030.72 is: 11,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.80 : 20,348.22 = 8,030.72 : x
  2. Step 2: Convert to fraction form
    14,744.80/20,348.22 = 8,030.72/x
  3. Step 3: Cross multiply
    14,744.80x = 20,348.22 × 8,030.72
  4. Step 4: Simplify right side
    14,744.80x = 163,410,857.32
  5. Step 5: Solve for x
    x = 163,410,857.32/14,744.80
  6. Step 6: Final answer
    x = 11,082.61

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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.