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Finding the Fourth Proportional to 22,254.72, 33,385.92 and 7,465.08

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Solution

The fourth proportional to 22,254.72, 33,385.92 and 7,465.08 is: 11,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.72 : 33,385.92 = 7,465.08 : x
  2. Step 2: Convert to fraction form
    22,254.72/33,385.92 = 7,465.08/x
  3. Step 3: Cross multiply
    22,254.72x = 33,385.92 × 7,465.08
  4. Step 4: Simplify right side
    22,254.72x = 249,228,563.67
  5. Step 5: Solve for x
    x = 249,228,563.67/22,254.72
  6. Step 6: Final answer
    x = 11,198.91

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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.