Home / 20,147.04-30,232.72-14,351.84

Finding the Fourth Proportional to 20,147.04, 30,232.72 and 14,351.84

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Solution

The fourth proportional to 20,147.04, 30,232.72 and 14,351.84 is: 21,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147.04 : 30,232.72 = 14,351.84 : x
  2. Step 2: Convert to fraction form
    20,147.04/30,232.72 = 14,351.84/x
  3. Step 3: Cross multiply
    20,147.04x = 30,232.72 × 14,351.84
  4. Step 4: Simplify right side
    20,147.04x = 433,895,160.20
  5. Step 5: Solve for x
    x = 433,895,160.20/20,147.04
  6. Step 6: Final answer
    x = 21,536.42

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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.