Home / 22,037.36-30,415.66-12,605.90

Finding the Fourth Proportional to 22,037.36, 30,415.66 and 12,605.90

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Solution

The fourth proportional to 22,037.36, 30,415.66 and 12,605.90 is: 17,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,037.36 : 30,415.66 = 12,605.90 : x
  2. Step 2: Convert to fraction form
    22,037.36/30,415.66 = 12,605.90/x
  3. Step 3: Cross multiply
    22,037.36x = 30,415.66 × 12,605.90
  4. Step 4: Simplify right side
    22,037.36x = 383,416,584.80
  5. Step 5: Solve for x
    x = 383,416,584.80/22,037.36
  6. Step 6: Final answer
    x = 17,398.48

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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.