Home / 13,519.80-20,274.12-4,752.63

Finding the Fourth Proportional to 13,519.80, 20,274.12 and 4,752.63

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Solution

The fourth proportional to 13,519.80, 20,274.12 and 4,752.63 is: 7,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.80 : 20,274.12 = 4,752.63 : x
  2. Step 2: Convert to fraction form
    13,519.80/20,274.12 = 4,752.63/x
  3. Step 3: Cross multiply
    13,519.80x = 20,274.12 × 4,752.63
  4. Step 4: Simplify right side
    13,519.80x = 96,355,390.94
  5. Step 5: Solve for x
    x = 96,355,390.94/13,519.80
  6. Step 6: Final answer
    x = 7,126.98

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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.