Home / 11,944.02-17,918.19-4,920.20

Finding the Fourth Proportional to 11,944.02, 17,918.19 and 4,920.20

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Solution

The fourth proportional to 11,944.02, 17,918.19 and 4,920.20 is: 7,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.02 : 17,918.19 = 4,920.20 : x
  2. Step 2: Convert to fraction form
    11,944.02/17,918.19 = 4,920.20/x
  3. Step 3: Cross multiply
    11,944.02x = 17,918.19 × 4,920.20
  4. Step 4: Simplify right side
    11,944.02x = 88,161,053.84
  5. Step 5: Solve for x
    x = 88,161,053.84/11,944.02
  6. Step 6: Final answer
    x = 7,381.19

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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.