Home / 11,098.24-15,313.05-6,621.12

Finding the Fourth Proportional to 11,098.24, 15,313.05 and 6,621.12

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Solution

The fourth proportional to 11,098.24, 15,313.05 and 6,621.12 is: 9,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.24 : 15,313.05 = 6,621.12 : x
  2. Step 2: Convert to fraction form
    11,098.24/15,313.05 = 6,621.12/x
  3. Step 3: Cross multiply
    11,098.24x = 15,313.05 × 6,621.12
  4. Step 4: Simplify right side
    11,098.24x = 101,389,498.55
  5. Step 5: Solve for x
    x = 101,389,498.55/11,098.24
  6. Step 6: Final answer
    x = 9,135.64

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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.