Home / 22,005.58-30,392.74-14,919.70

Finding the Fourth Proportional to 22,005.58, 30,392.74 and 14,919.70

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Solution

The fourth proportional to 22,005.58, 30,392.74 and 14,919.70 is: 20,606.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.58 : 30,392.74 = 14,919.70 : x
  2. Step 2: Convert to fraction form
    22,005.58/30,392.74 = 14,919.70/x
  3. Step 3: Cross multiply
    22,005.58x = 30,392.74 × 14,919.70
  4. Step 4: Simplify right side
    22,005.58x = 453,450,562.98
  5. Step 5: Solve for x
    x = 453,450,562.98/22,005.58
  6. Step 6: Final answer
    x = 20,606.16

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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.