Home / 11,059.36-15,262.21-6,279.20

Finding the Fourth Proportional to 11,059.36, 15,262.21 and 6,279.20

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Solution

The fourth proportional to 11,059.36, 15,262.21 and 6,279.20 is: 8,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.36 : 15,262.21 = 6,279.20 : x
  2. Step 2: Convert to fraction form
    11,059.36/15,262.21 = 6,279.20/x
  3. Step 3: Cross multiply
    11,059.36x = 15,262.21 × 6,279.20
  4. Step 4: Simplify right side
    11,059.36x = 95,834,457.80
  5. Step 5: Solve for x
    x = 95,834,457.80/11,059.36
  6. Step 6: Final answer
    x = 8,665.46

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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.