Home / 22,518.88-33,782.40-11,280.08

Finding the Fourth Proportional to 22,518.88, 33,782.40 and 11,280.08

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Solution

The fourth proportional to 22,518.88, 33,782.40 and 11,280.08 is: 16,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.88 : 33,782.40 = 11,280.08 : x
  2. Step 2: Convert to fraction form
    22,518.88/33,782.40 = 11,280.08/x
  3. Step 3: Cross multiply
    22,518.88x = 33,782.40 × 11,280.08
  4. Step 4: Simplify right side
    22,518.88x = 381,068,174.59
  5. Step 5: Solve for x
    x = 381,068,174.59/22,518.88
  6. Step 6: Final answer
    x = 16,922.16

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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.