Home / 20,717.03-28,588.50-11,763.35

Finding the Fourth Proportional to 20,717.03, 28,588.50 and 11,763.35

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Solution

The fourth proportional to 20,717.03, 28,588.50 and 11,763.35 is: 16,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717.03 : 28,588.50 = 11,763.35 : x
  2. Step 2: Convert to fraction form
    20,717.03/28,588.50 = 11,763.35/x
  3. Step 3: Cross multiply
    20,717.03x = 28,588.50 × 11,763.35
  4. Step 4: Simplify right side
    20,717.03x = 336,296,388.53
  5. Step 5: Solve for x
    x = 336,296,388.53/20,717.03
  6. Step 6: Final answer
    x = 16,232.85

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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.