Home / 14,743.78-20,346.82-8,029.70

Finding the Fourth Proportional to 14,743.78, 20,346.82 and 8,029.70

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Solution

The fourth proportional to 14,743.78, 20,346.82 and 8,029.70 is: 11,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.78 : 20,346.82 = 8,029.70 : x
  2. Step 2: Convert to fraction form
    14,743.78/20,346.82 = 8,029.70/x
  3. Step 3: Cross multiply
    14,743.78x = 20,346.82 × 8,029.70
  4. Step 4: Simplify right side
    14,743.78x = 163,378,860.55
  5. Step 5: Solve for x
    x = 163,378,860.55/14,743.78
  6. Step 6: Final answer
    x = 11,081.21

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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.