Home / 9,954.20-14,915.10-7,329.80

Finding the Fourth Proportional to 9,954.20, 14,915.10 and 7,329.80

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Solution

The fourth proportional to 9,954.20, 14,915.10 and 7,329.80 is: 10,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.20 : 14,915.10 = 7,329.80 : x
  2. Step 2: Convert to fraction form
    9,954.20/14,915.10 = 7,329.80/x
  3. Step 3: Cross multiply
    9,954.20x = 14,915.10 × 7,329.80
  4. Step 4: Simplify right side
    9,954.20x = 109,324,699.98
  5. Step 5: Solve for x
    x = 109,324,699.98/9,954.20
  6. Step 6: Final answer
    x = 10,982.77

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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.