Home / 11,255.24-15,530.87-6,219.15

Finding the Fourth Proportional to 11,255.24, 15,530.87 and 6,219.15

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Solution

The fourth proportional to 11,255.24, 15,530.87 and 6,219.15 is: 8,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.24 : 15,530.87 = 6,219.15 : x
  2. Step 2: Convert to fraction form
    11,255.24/15,530.87 = 6,219.15/x
  3. Step 3: Cross multiply
    11,255.24x = 15,530.87 × 6,219.15
  4. Step 4: Simplify right side
    11,255.24x = 96,588,779.06
  5. Step 5: Solve for x
    x = 96,588,779.06/11,255.24
  6. Step 6: Final answer
    x = 8,581.68

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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.