Home / 20,837.60-28,756.23-11,763.44

Finding the Fourth Proportional to 20,837.60, 28,756.23 and 11,763.44

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Solution

The fourth proportional to 20,837.60, 28,756.23 and 11,763.44 is: 16,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.60 : 28,756.23 = 11,763.44 : x
  2. Step 2: Convert to fraction form
    20,837.60/28,756.23 = 11,763.44/x
  3. Step 3: Cross multiply
    20,837.60x = 28,756.23 × 11,763.44
  4. Step 4: Simplify right side
    20,837.60x = 338,272,186.23
  5. Step 5: Solve for x
    x = 338,272,186.23/20,837.60
  6. Step 6: Final answer
    x = 16,233.74

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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.