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Finding the Fourth Proportional to 9,958.55, 14,921.42 and 6,251.58

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Solution

The fourth proportional to 9,958.55, 14,921.42 and 6,251.58 is: 9,367.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.55 : 14,921.42 = 6,251.58 : x
  2. Step 2: Convert to fraction form
    9,958.55/14,921.42 = 6,251.58/x
  3. Step 3: Cross multiply
    9,958.55x = 14,921.42 × 6,251.58
  4. Step 4: Simplify right side
    9,958.55x = 93,282,419.59
  5. Step 5: Solve for x
    x = 93,282,419.59/9,958.55
  6. Step 6: Final answer
    x = 9,367.07

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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.