Home / 13,387.06-20,079.07-3,527.11

Finding the Fourth Proportional to 13,387.06, 20,079.07 and 3,527.11

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Solution

The fourth proportional to 13,387.06, 20,079.07 and 3,527.11 is: 5,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.06 : 20,079.07 = 3,527.11 : x
  2. Step 2: Convert to fraction form
    13,387.06/20,079.07 = 3,527.11/x
  3. Step 3: Cross multiply
    13,387.06x = 20,079.07 × 3,527.11
  4. Step 4: Simplify right side
    13,387.06x = 70,821,088.59
  5. Step 5: Solve for x
    x = 70,821,088.59/13,387.06
  6. Step 6: Final answer
    x = 5,290.26

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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.