Home / 22,237.40-33,348.36-7,443.20

Finding the Fourth Proportional to 22,237.40, 33,348.36 and 7,443.20

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Solution

The fourth proportional to 22,237.40, 33,348.36 and 7,443.20 is: 11,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.40 : 33,348.36 = 7,443.20 : x
  2. Step 2: Convert to fraction form
    22,237.40/33,348.36 = 7,443.20/x
  3. Step 3: Cross multiply
    22,237.40x = 33,348.36 × 7,443.20
  4. Step 4: Simplify right side
    22,237.40x = 248,218,513.15
  5. Step 5: Solve for x
    x = 248,218,513.15/22,237.40
  6. Step 6: Final answer
    x = 11,162.21

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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.