Home / 21,516.70-32,262.63-8,353.69

Finding the Fourth Proportional to 21,516.70, 32,262.63 and 8,353.69

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Solution

The fourth proportional to 21,516.70, 32,262.63 and 8,353.69 is: 12,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516.70 : 32,262.63 = 8,353.69 : x
  2. Step 2: Convert to fraction form
    21,516.70/32,262.63 = 8,353.69/x
  3. Step 3: Cross multiply
    21,516.70x = 32,262.63 × 8,353.69
  4. Step 4: Simplify right side
    21,516.70x = 269,512,111.15
  5. Step 5: Solve for x
    x = 269,512,111.15/21,516.70
  6. Step 6: Final answer
    x = 12,525.72

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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.