Home / 21,709.68-32,538.48-11,184.72

Finding the Fourth Proportional to 21,709.68, 32,538.48 and 11,184.72

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Solution

The fourth proportional to 21,709.68, 32,538.48 and 11,184.72 is: 16,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,709.68 : 32,538.48 = 11,184.72 : x
  2. Step 2: Convert to fraction form
    21,709.68/32,538.48 = 11,184.72/x
  3. Step 3: Cross multiply
    21,709.68x = 32,538.48 × 11,184.72
  4. Step 4: Simplify right side
    21,709.68x = 363,933,788.03
  5. Step 5: Solve for x
    x = 363,933,788.03/21,709.68
  6. Step 6: Final answer
    x = 16,763.66

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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.