Home / 11,207.04-15,465.76-6,491.68

Finding the Fourth Proportional to 11,207.04, 15,465.76 and 6,491.68

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Solution

The fourth proportional to 11,207.04, 15,465.76 and 6,491.68 is: 8,958.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.04 : 15,465.76 = 6,491.68 : x
  2. Step 2: Convert to fraction form
    11,207.04/15,465.76 = 6,491.68/x
  3. Step 3: Cross multiply
    11,207.04x = 15,465.76 × 6,491.68
  4. Step 4: Simplify right side
    11,207.04x = 100,398,764.88
  5. Step 5: Solve for x
    x = 100,398,764.88/11,207.04
  6. Step 6: Final answer
    x = 8,958.54

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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.