Home / 21,634.67-32,455.34-9,154.76

Finding the Fourth Proportional to 21,634.67, 32,455.34 and 9,154.76

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Solution

The fourth proportional to 21,634.67, 32,455.34 and 9,154.76 is: 13,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.67 : 32,455.34 = 9,154.76 : x
  2. Step 2: Convert to fraction form
    21,634.67/32,455.34 = 9,154.76/x
  3. Step 3: Cross multiply
    21,634.67x = 32,455.34 × 9,154.76
  4. Step 4: Simplify right side
    21,634.67x = 297,120,952.44
  5. Step 5: Solve for x
    x = 297,120,952.44/21,634.67
  6. Step 6: Final answer
    x = 13,733.55

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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.