Home / 14,422.11-21,639.83-5,659.35

Finding the Fourth Proportional to 14,422.11, 21,639.83 and 5,659.35

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Solution

The fourth proportional to 14,422.11, 21,639.83 and 5,659.35 is: 8,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.11 : 21,639.83 = 5,659.35 : x
  2. Step 2: Convert to fraction form
    14,422.11/21,639.83 = 5,659.35/x
  3. Step 3: Cross multiply
    14,422.11x = 21,639.83 × 5,659.35
  4. Step 4: Simplify right side
    14,422.11x = 122,467,343.61
  5. Step 5: Solve for x
    x = 122,467,343.61/14,422.11
  6. Step 6: Final answer
    x = 8,491.64

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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.