Home / 13,519.32-20,278.97-4,752.19

Finding the Fourth Proportional to 13,519.32, 20,278.97 and 4,752.19

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Solution

The fourth proportional to 13,519.32, 20,278.97 and 4,752.19 is: 7,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.32 : 20,278.97 = 4,752.19 : x
  2. Step 2: Convert to fraction form
    13,519.32/20,278.97 = 4,752.19/x
  3. Step 3: Cross multiply
    13,519.32x = 20,278.97 × 4,752.19
  4. Step 4: Simplify right side
    13,519.32x = 96,369,518.44
  5. Step 5: Solve for x
    x = 96,369,518.44/13,519.32
  6. Step 6: Final answer
    x = 7,128.28

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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.