Home / 12,471.36-18,713.44-5,081.28

Finding the Fourth Proportional to 12,471.36, 18,713.44 and 5,081.28

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Solution

The fourth proportional to 12,471.36, 18,713.44 and 5,081.28 is: 7,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.36 : 18,713.44 = 5,081.28 : x
  2. Step 2: Convert to fraction form
    12,471.36/18,713.44 = 5,081.28/x
  3. Step 3: Cross multiply
    12,471.36x = 18,713.44 × 5,081.28
  4. Step 4: Simplify right side
    12,471.36x = 95,088,228.40
  5. Step 5: Solve for x
    x = 95,088,228.40/12,471.36
  6. Step 6: Final answer
    x = 7,624.53

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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.