Home / 15,330.72-22,940.57-12,673.51

Finding the Fourth Proportional to 15,330.72, 22,940.57 and 12,673.51

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Solution

The fourth proportional to 15,330.72, 22,940.57 and 12,673.51 is: 18,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.72 : 22,940.57 = 12,673.51 : x
  2. Step 2: Convert to fraction form
    15,330.72/22,940.57 = 12,673.51/x
  3. Step 3: Cross multiply
    15,330.72x = 22,940.57 × 12,673.51
  4. Step 4: Simplify right side
    15,330.72x = 290,737,575.39
  5. Step 5: Solve for x
    x = 290,737,575.39/15,330.72
  6. Step 6: Final answer
    x = 18,964.38

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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.