Home / 22,378.32-30,883.59-14,811.62

Finding the Fourth Proportional to 22,378.32, 30,883.59 and 14,811.62

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Solution

The fourth proportional to 22,378.32, 30,883.59 and 14,811.62 is: 20,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.32 : 30,883.59 = 14,811.62 : x
  2. Step 2: Convert to fraction form
    22,378.32/30,883.59 = 14,811.62/x
  3. Step 3: Cross multiply
    22,378.32x = 30,883.59 × 14,811.62
  4. Step 4: Simplify right side
    22,378.32x = 457,435,844.90
  5. Step 5: Solve for x
    x = 457,435,844.90/22,378.32
  6. Step 6: Final answer
    x = 20,441.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.