Home / 22,677.40-34,005.62-12,145.58

Finding the Fourth Proportional to 22,677.40, 34,005.62 and 12,145.58

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Solution

The fourth proportional to 22,677.40, 34,005.62 and 12,145.58 is: 18,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,677.40 : 34,005.62 = 12,145.58 : x
  2. Step 2: Convert to fraction form
    22,677.40/34,005.62 = 12,145.58/x
  3. Step 3: Cross multiply
    22,677.40x = 34,005.62 × 12,145.58
  4. Step 4: Simplify right side
    22,677.40x = 413,017,966.02
  5. Step 5: Solve for x
    x = 413,017,966.02/22,677.40
  6. Step 6: Final answer
    x = 18,212.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.