Home / 22,018.42-30,385.09-11,946.88

Finding the Fourth Proportional to 22,018.42, 30,385.09 and 11,946.88

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Solution

The fourth proportional to 22,018.42, 30,385.09 and 11,946.88 is: 16,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018.42 : 30,385.09 = 11,946.88 : x
  2. Step 2: Convert to fraction form
    22,018.42/30,385.09 = 11,946.88/x
  3. Step 3: Cross multiply
    22,018.42x = 30,385.09 × 11,946.88
  4. Step 4: Simplify right side
    22,018.42x = 363,007,024.02
  5. Step 5: Solve for x
    x = 363,007,024.02/22,018.42
  6. Step 6: Final answer
    x = 16,486.52

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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.