Home / 22,261.20-33,391.80-7,465.20

Finding the Fourth Proportional to 22,261.20, 33,391.80 and 7,465.20

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Solution

The fourth proportional to 22,261.20, 33,391.80 and 7,465.20 is: 11,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,261.20 : 33,391.80 = 7,465.20 : x
  2. Step 2: Convert to fraction form
    22,261.20/33,391.80 = 7,465.20/x
  3. Step 3: Cross multiply
    22,261.20x = 33,391.80 × 7,465.20
  4. Step 4: Simplify right side
    22,261.20x = 249,276,465.36
  5. Step 5: Solve for x
    x = 249,276,465.36/22,261.20
  6. Step 6: Final answer
    x = 11,197.80

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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.