Home / 9,991.24-14,980.38-5,377.48

Finding the Fourth Proportional to 9,991.24, 14,980.38 and 5,377.48

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Solution

The fourth proportional to 9,991.24, 14,980.38 and 5,377.48 is: 8,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.24 : 14,980.38 = 5,377.48 : x
  2. Step 2: Convert to fraction form
    9,991.24/14,980.38 = 5,377.48/x
  3. Step 3: Cross multiply
    9,991.24x = 14,980.38 × 5,377.48
  4. Step 4: Simplify right side
    9,991.24x = 80,556,693.84
  5. Step 5: Solve for x
    x = 80,556,693.84/9,991.24
  6. Step 6: Final answer
    x = 8,062.73

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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.