Home / 13,251.49-19,864.87-4,480.27

Finding the Fourth Proportional to 13,251.49, 19,864.87 and 4,480.27

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Solution

The fourth proportional to 13,251.49, 19,864.87 and 4,480.27 is: 6,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.49 : 19,864.87 = 4,480.27 : x
  2. Step 2: Convert to fraction form
    13,251.49/19,864.87 = 4,480.27/x
  3. Step 3: Cross multiply
    13,251.49x = 19,864.87 × 4,480.27
  4. Step 4: Simplify right side
    13,251.49x = 88,999,920.25
  5. Step 5: Solve for x
    x = 88,999,920.25/13,251.49
  6. Step 6: Final answer
    x = 6,716.22

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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.