Home / 21,674.82-32,516.76-12,319.14

Finding the Fourth Proportional to 21,674.82, 32,516.76 and 12,319.14

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Solution

The fourth proportional to 21,674.82, 32,516.76 and 12,319.14 is: 18,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674.82 : 32,516.76 = 12,319.14 : x
  2. Step 2: Convert to fraction form
    21,674.82/32,516.76 = 12,319.14/x
  3. Step 3: Cross multiply
    21,674.82x = 32,516.76 × 12,319.14
  4. Step 4: Simplify right side
    21,674.82x = 400,578,518.79
  5. Step 5: Solve for x
    x = 400,578,518.79/21,674.82
  6. Step 6: Final answer
    x = 18,481.28

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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.