Home / 13,924.78-20,862.85-11,599.72

Finding the Fourth Proportional to 13,924.78, 20,862.85 and 11,599.72

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Solution

The fourth proportional to 13,924.78, 20,862.85 and 11,599.72 is: 17,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.78 : 20,862.85 = 11,599.72 : x
  2. Step 2: Convert to fraction form
    13,924.78/20,862.85 = 11,599.72/x
  3. Step 3: Cross multiply
    13,924.78x = 20,862.85 × 11,599.72
  4. Step 4: Simplify right side
    13,924.78x = 242,003,247.40
  5. Step 5: Solve for x
    x = 242,003,247.40/13,924.78
  6. Step 6: Final answer
    x = 17,379.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.