Home / 21,913.34-32,867.27-8,765.82

Finding the Fourth Proportional to 21,913.34, 32,867.27 and 8,765.82

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Solution

The fourth proportional to 21,913.34, 32,867.27 and 8,765.82 is: 13,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913.34 : 32,867.27 = 8,765.82 : x
  2. Step 2: Convert to fraction form
    21,913.34/32,867.27 = 8,765.82/x
  3. Step 3: Cross multiply
    21,913.34x = 32,867.27 × 8,765.82
  4. Step 4: Simplify right side
    21,913.34x = 288,108,561.75
  5. Step 5: Solve for x
    x = 288,108,561.75/21,913.34
  6. Step 6: Final answer
    x = 13,147.64

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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.