Home / 14,527.12-21,791.88-5,169.18

Finding the Fourth Proportional to 14,527.12, 21,791.88 and 5,169.18

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Solution

The fourth proportional to 14,527.12, 21,791.88 and 5,169.18 is: 7,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,527.12 : 21,791.88 = 5,169.18 : x
  2. Step 2: Convert to fraction form
    14,527.12/21,791.88 = 5,169.18/x
  3. Step 3: Cross multiply
    14,527.12x = 21,791.88 × 5,169.18
  4. Step 4: Simplify right side
    14,527.12x = 112,646,150.26
  5. Step 5: Solve for x
    x = 112,646,150.26/14,527.12
  6. Step 6: Final answer
    x = 7,754.20

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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.