Home / 22,007.83-30,370.26-12,575.79

Finding the Fourth Proportional to 22,007.83, 30,370.26 and 12,575.79

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Solution

The fourth proportional to 22,007.83, 30,370.26 and 12,575.79 is: 17,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.83 : 30,370.26 = 12,575.79 : x
  2. Step 2: Convert to fraction form
    22,007.83/30,370.26 = 12,575.79/x
  3. Step 3: Cross multiply
    22,007.83x = 30,370.26 × 12,575.79
  4. Step 4: Simplify right side
    22,007.83x = 381,930,012.01
  5. Step 5: Solve for x
    x = 381,930,012.01/22,007.83
  6. Step 6: Final answer
    x = 17,354.28

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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.