Home / 11,101.26-15,320.03-6,627.60

Finding the Fourth Proportional to 11,101.26, 15,320.03 and 6,627.60

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Solution

The fourth proportional to 11,101.26, 15,320.03 and 6,627.60 is: 9,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.26 : 15,320.03 = 6,627.60 : x
  2. Step 2: Convert to fraction form
    11,101.26/15,320.03 = 6,627.60/x
  3. Step 3: Cross multiply
    11,101.26x = 15,320.03 × 6,627.60
  4. Step 4: Simplify right side
    11,101.26x = 101,535,030.83
  5. Step 5: Solve for x
    x = 101,535,030.83/11,101.26
  6. Step 6: Final answer
    x = 9,146.26

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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.