Home / 11,150.22-15,386.64-6,370.68

Finding the Fourth Proportional to 11,150.22, 15,386.64 and 6,370.68

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Solution

The fourth proportional to 11,150.22, 15,386.64 and 6,370.68 is: 8,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.22 : 15,386.64 = 6,370.68 : x
  2. Step 2: Convert to fraction form
    11,150.22/15,386.64 = 6,370.68/x
  3. Step 3: Cross multiply
    11,150.22x = 15,386.64 × 6,370.68
  4. Step 4: Simplify right side
    11,150.22x = 98,023,359.72
  5. Step 5: Solve for x
    x = 98,023,359.72/11,150.22
  6. Step 6: Final answer
    x = 8,791.16

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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.