Home / 21,624.51-32,378.14-11,214.39

Finding the Fourth Proportional to 21,624.51, 32,378.14 and 11,214.39

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Solution

The fourth proportional to 21,624.51, 32,378.14 and 11,214.39 is: 16,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.51 : 32,378.14 = 11,214.39 : x
  2. Step 2: Convert to fraction form
    21,624.51/32,378.14 = 11,214.39/x
  3. Step 3: Cross multiply
    21,624.51x = 32,378.14 × 11,214.39
  4. Step 4: Simplify right side
    21,624.51x = 363,101,089.43
  5. Step 5: Solve for x
    x = 363,101,089.43/21,624.51
  6. Step 6: Final answer
    x = 16,791.18

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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.