Home / 13,081.97-19,616.80-4,756.12

Finding the Fourth Proportional to 13,081.97, 19,616.80 and 4,756.12

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Solution

The fourth proportional to 13,081.97, 19,616.80 and 4,756.12 is: 7,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.97 : 19,616.80 = 4,756.12 : x
  2. Step 2: Convert to fraction form
    13,081.97/19,616.80 = 4,756.12/x
  3. Step 3: Cross multiply
    13,081.97x = 19,616.80 × 4,756.12
  4. Step 4: Simplify right side
    13,081.97x = 93,299,854.82
  5. Step 5: Solve for x
    x = 93,299,854.82/13,081.97
  6. Step 6: Final answer
    x = 7,131.94

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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.