Home / 11,080.59-15,290.85-6,603.31

Finding the Fourth Proportional to 11,080.59, 15,290.85 and 6,603.31

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Solution

The fourth proportional to 11,080.59, 15,290.85 and 6,603.31 is: 9,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.59 : 15,290.85 = 6,603.31 : x
  2. Step 2: Convert to fraction form
    11,080.59/15,290.85 = 6,603.31/x
  3. Step 3: Cross multiply
    11,080.59x = 15,290.85 × 6,603.31
  4. Step 4: Simplify right side
    11,080.59x = 100,970,222.71
  5. Step 5: Solve for x
    x = 100,970,222.71/11,080.59
  6. Step 6: Final answer
    x = 9,112.35

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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.