Home / 18,713.03-28,081.08-8,716.01

Finding the Fourth Proportional to 18,713.03, 28,081.08 and 8,716.01

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Solution

The fourth proportional to 18,713.03, 28,081.08 and 8,716.01 is: 13,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.03 : 28,081.08 = 8,716.01 : x
  2. Step 2: Convert to fraction form
    18,713.03/28,081.08 = 8,716.01/x
  3. Step 3: Cross multiply
    18,713.03x = 28,081.08 × 8,716.01
  4. Step 4: Simplify right side
    18,713.03x = 244,754,833.69
  5. Step 5: Solve for x
    x = 244,754,833.69/18,713.03
  6. Step 6: Final answer
    x = 13,079.38

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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.