Home / 10,899.19-15,040.43-6,183.37

Finding the Fourth Proportional to 10,899.19, 15,040.43 and 6,183.37

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Solution

The fourth proportional to 10,899.19, 15,040.43 and 6,183.37 is: 8,532.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.19 : 15,040.43 = 6,183.37 : x
  2. Step 2: Convert to fraction form
    10,899.19/15,040.43 = 6,183.37/x
  3. Step 3: Cross multiply
    10,899.19x = 15,040.43 × 6,183.37
  4. Step 4: Simplify right side
    10,899.19x = 93,000,483.91
  5. Step 5: Solve for x
    x = 93,000,483.91/10,899.19
  6. Step 6: Final answer
    x = 8,532.79

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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.