Home / 9,538.48-14,311.68-5,150.80

Finding the Fourth Proportional to 9,538.48, 14,311.68 and 5,150.80

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Solution

The fourth proportional to 9,538.48, 14,311.68 and 5,150.80 is: 7,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538.48 : 14,311.68 = 5,150.80 : x
  2. Step 2: Convert to fraction form
    9,538.48/14,311.68 = 5,150.80/x
  3. Step 3: Cross multiply
    9,538.48x = 14,311.68 × 5,150.80
  4. Step 4: Simplify right side
    9,538.48x = 73,716,601.34
  5. Step 5: Solve for x
    x = 73,716,601.34/9,538.48
  6. Step 6: Final answer
    x = 7,728.34

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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.