Home / 21,634.54-32,454.14-9,155.84

Finding the Fourth Proportional to 21,634.54, 32,454.14 and 9,155.84

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Solution

The fourth proportional to 21,634.54, 32,454.14 and 9,155.84 is: 13,734.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.54 : 32,454.14 = 9,155.84 : x
  2. Step 2: Convert to fraction form
    21,634.54/32,454.14 = 9,155.84/x
  3. Step 3: Cross multiply
    21,634.54x = 32,454.14 × 9,155.84
  4. Step 4: Simplify right side
    21,634.54x = 297,144,913.18
  5. Step 5: Solve for x
    x = 297,144,913.18/21,634.54
  6. Step 6: Final answer
    x = 13,734.75

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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.