Home / 22,102.62-30,502.42-12,030.58

Finding the Fourth Proportional to 22,102.62, 30,502.42 and 12,030.58

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Solution

The fourth proportional to 22,102.62, 30,502.42 and 12,030.58 is: 16,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102.62 : 30,502.42 = 12,030.58 : x
  2. Step 2: Convert to fraction form
    22,102.62/30,502.42 = 12,030.58/x
  3. Step 3: Cross multiply
    22,102.62x = 30,502.42 × 12,030.58
  4. Step 4: Simplify right side
    22,102.62x = 366,961,708.15
  5. Step 5: Solve for x
    x = 366,961,708.15/22,102.62
  6. Step 6: Final answer
    x = 16,602.63

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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.