Home / 11,933.78-16,470.41-8,587.67

Finding the Fourth Proportional to 11,933.78, 16,470.41 and 8,587.67

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Solution

The fourth proportional to 11,933.78, 16,470.41 and 8,587.67 is: 11,852.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.78 : 16,470.41 = 8,587.67 : x
  2. Step 2: Convert to fraction form
    11,933.78/16,470.41 = 8,587.67/x
  3. Step 3: Cross multiply
    11,933.78x = 16,470.41 × 8,587.67
  4. Step 4: Simplify right side
    11,933.78x = 141,442,320.55
  5. Step 5: Solve for x
    x = 141,442,320.55/11,933.78
  6. Step 6: Final answer
    x = 11,852.27

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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.