Home / 11,078.67-15,288.02-6,602.32

Finding the Fourth Proportional to 11,078.67, 15,288.02 and 6,602.32

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Solution

The fourth proportional to 11,078.67, 15,288.02 and 6,602.32 is: 9,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.67 : 15,288.02 = 6,602.32 : x
  2. Step 2: Convert to fraction form
    11,078.67/15,288.02 = 6,602.32/x
  3. Step 3: Cross multiply
    11,078.67x = 15,288.02 × 6,602.32
  4. Step 4: Simplify right side
    11,078.67x = 100,936,400.21
  5. Step 5: Solve for x
    x = 100,936,400.21/11,078.67
  6. Step 6: Final answer
    x = 9,110.88

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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.