Home / 9,331.49-13,958.78-8,510.33

Finding the Fourth Proportional to 9,331.49, 13,958.78 and 8,510.33

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Solution

The fourth proportional to 9,331.49, 13,958.78 and 8,510.33 is: 12,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.49 : 13,958.78 = 8,510.33 : x
  2. Step 2: Convert to fraction form
    9,331.49/13,958.78 = 8,510.33/x
  3. Step 3: Cross multiply
    9,331.49x = 13,958.78 × 8,510.33
  4. Step 4: Simplify right side
    9,331.49x = 118,793,711.85
  5. Step 5: Solve for x
    x = 118,793,711.85/9,331.49
  6. Step 6: Final answer
    x = 12,730.42

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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.