Home / 15,441.03-21,311.78-8,726.94

Finding the Fourth Proportional to 15,441.03, 21,311.78 and 8,726.94

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Solution

The fourth proportional to 15,441.03, 21,311.78 and 8,726.94 is: 12,044.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.03 : 21,311.78 = 8,726.94 : x
  2. Step 2: Convert to fraction form
    15,441.03/21,311.78 = 8,726.94/x
  3. Step 3: Cross multiply
    15,441.03x = 21,311.78 × 8,726.94
  4. Step 4: Simplify right side
    15,441.03x = 185,986,581.72
  5. Step 5: Solve for x
    x = 185,986,581.72/15,441.03
  6. Step 6: Final answer
    x = 12,044.96

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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.