Home / 22,155.64-33,245.88-11,767.12

Finding the Fourth Proportional to 22,155.64, 33,245.88 and 11,767.12

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Solution

The fourth proportional to 22,155.64, 33,245.88 and 11,767.12 is: 17,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.64 : 33,245.88 = 11,767.12 : x
  2. Step 2: Convert to fraction form
    22,155.64/33,245.88 = 11,767.12/x
  3. Step 3: Cross multiply
    22,155.64x = 33,245.88 × 11,767.12
  4. Step 4: Simplify right side
    22,155.64x = 391,208,259.47
  5. Step 5: Solve for x
    x = 391,208,259.47/22,155.64
  6. Step 6: Final answer
    x = 17,657.28

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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.