Home / 11,619.93-17,422.19-4,223.51

Finding the Fourth Proportional to 11,619.93, 17,422.19 and 4,223.51

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Solution

The fourth proportional to 11,619.93, 17,422.19 and 4,223.51 is: 6,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.93 : 17,422.19 = 4,223.51 : x
  2. Step 2: Convert to fraction form
    11,619.93/17,422.19 = 4,223.51/x
  3. Step 3: Cross multiply
    11,619.93x = 17,422.19 × 4,223.51
  4. Step 4: Simplify right side
    11,619.93x = 73,582,793.69
  5. Step 5: Solve for x
    x = 73,582,793.69/11,619.93
  6. Step 6: Final answer
    x = 6,332.46

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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.