Home / 13,515.39-20,274.16-4,752.27

Finding the Fourth Proportional to 13,515.39, 20,274.16 and 4,752.27

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Solution

The fourth proportional to 13,515.39, 20,274.16 and 4,752.27 is: 7,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515.39 : 20,274.16 = 4,752.27 : x
  2. Step 2: Convert to fraction form
    13,515.39/20,274.16 = 4,752.27/x
  3. Step 3: Cross multiply
    13,515.39x = 20,274.16 × 4,752.27
  4. Step 4: Simplify right side
    13,515.39x = 96,348,282.34
  5. Step 5: Solve for x
    x = 96,348,282.34/13,515.39
  6. Step 6: Final answer
    x = 7,128.78

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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.