Home / 22,205.73-30,646.04-12,135.71

Finding the Fourth Proportional to 22,205.73, 30,646.04 and 12,135.71

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Solution

The fourth proportional to 22,205.73, 30,646.04 and 12,135.71 is: 16,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.73 : 30,646.04 = 12,135.71 : x
  2. Step 2: Convert to fraction form
    22,205.73/30,646.04 = 12,135.71/x
  3. Step 3: Cross multiply
    22,205.73x = 30,646.04 × 12,135.71
  4. Step 4: Simplify right side
    22,205.73x = 371,911,454.09
  5. Step 5: Solve for x
    x = 371,911,454.09/22,205.73
  6. Step 6: Final answer
    x = 16,748.45

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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.