Home / 13,081.03-19,621.52-10,763.15

Finding the Fourth Proportional to 13,081.03, 19,621.52 and 10,763.15

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Solution

The fourth proportional to 13,081.03, 19,621.52 and 10,763.15 is: 16,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.03 : 19,621.52 = 10,763.15 : x
  2. Step 2: Convert to fraction form
    13,081.03/19,621.52 = 10,763.15/x
  3. Step 3: Cross multiply
    13,081.03x = 19,621.52 × 10,763.15
  4. Step 4: Simplify right side
    13,081.03x = 211,189,385.13
  5. Step 5: Solve for x
    x = 211,189,385.13/13,081.03
  6. Step 6: Final answer
    x = 16,144.71

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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.