Home / 10,391.36-15,589.44-2,995.92

Finding the Fourth Proportional to 10,391.36, 15,589.44 and 2,995.92

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Solution

The fourth proportional to 10,391.36, 15,589.44 and 2,995.92 is: 4,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.36 : 15,589.44 = 2,995.92 : x
  2. Step 2: Convert to fraction form
    10,391.36/15,589.44 = 2,995.92/x
  3. Step 3: Cross multiply
    10,391.36x = 15,589.44 × 2,995.92
  4. Step 4: Simplify right side
    10,391.36x = 46,704,715.08
  5. Step 5: Solve for x
    x = 46,704,715.08/10,391.36
  6. Step 6: Final answer
    x = 4,494.57

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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.