Home / 12,259.76-18,381.68-5,244.36

Finding the Fourth Proportional to 12,259.76, 18,381.68 and 5,244.36

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Solution

The fourth proportional to 12,259.76, 18,381.68 and 5,244.36 is: 7,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.76 : 18,381.68 = 5,244.36 : x
  2. Step 2: Convert to fraction form
    12,259.76/18,381.68 = 5,244.36/x
  3. Step 3: Cross multiply
    12,259.76x = 18,381.68 × 5,244.36
  4. Step 4: Simplify right side
    12,259.76x = 96,400,147.32
  5. Step 5: Solve for x
    x = 96,400,147.32/12,259.76
  6. Step 6: Final answer
    x = 7,863.13

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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.