Home / 14,825.73-20,454.58-8,447.84

Finding the Fourth Proportional to 14,825.73, 20,454.58 and 8,447.84

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Solution

The fourth proportional to 14,825.73, 20,454.58 and 8,447.84 is: 11,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.73 : 20,454.58 = 8,447.84 : x
  2. Step 2: Convert to fraction form
    14,825.73/20,454.58 = 8,447.84/x
  3. Step 3: Cross multiply
    14,825.73x = 20,454.58 × 8,447.84
  4. Step 4: Simplify right side
    14,825.73x = 172,797,071.64
  5. Step 5: Solve for x
    x = 172,797,071.64/14,825.73
  6. Step 6: Final answer
    x = 11,655.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.