Home / 9,950.34-13,731.80-5,474.42

Finding the Fourth Proportional to 9,950.34, 13,731.80 and 5,474.42

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Solution

The fourth proportional to 9,950.34, 13,731.80 and 5,474.42 is: 7,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,950.34 : 13,731.80 = 5,474.42 : x
  2. Step 2: Convert to fraction form
    9,950.34/13,731.80 = 5,474.42/x
  3. Step 3: Cross multiply
    9,950.34x = 13,731.80 × 5,474.42
  4. Step 4: Simplify right side
    9,950.34x = 75,173,596.02
  5. Step 5: Solve for x
    x = 75,173,596.02/9,950.34
  6. Step 6: Final answer
    x = 7,554.87

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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.