Home / 22,103.36-30,502.30-12,671.36

Finding the Fourth Proportional to 22,103.36, 30,502.30 and 12,671.36

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Solution

The fourth proportional to 22,103.36, 30,502.30 and 12,671.36 is: 17,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,103.36 : 30,502.30 = 12,671.36 : x
  2. Step 2: Convert to fraction form
    22,103.36/30,502.30 = 12,671.36/x
  3. Step 3: Cross multiply
    22,103.36x = 30,502.30 × 12,671.36
  4. Step 4: Simplify right side
    22,103.36x = 386,505,624.13
  5. Step 5: Solve for x
    x = 386,505,624.13/22,103.36
  6. Step 6: Final answer
    x = 17,486.28

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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.