Home / 11,030.22-15,221.25-6,313.86

Finding the Fourth Proportional to 11,030.22, 15,221.25 and 6,313.86

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Solution

The fourth proportional to 11,030.22, 15,221.25 and 6,313.86 is: 8,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.22 : 15,221.25 = 6,313.86 : x
  2. Step 2: Convert to fraction form
    11,030.22/15,221.25 = 6,313.86/x
  3. Step 3: Cross multiply
    11,030.22x = 15,221.25 × 6,313.86
  4. Step 4: Simplify right side
    11,030.22x = 96,104,841.53
  5. Step 5: Solve for x
    x = 96,104,841.53/11,030.22
  6. Step 6: Final answer
    x = 8,712.87

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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.