Home / 10,887.54-15,003.74-7,344.60

Finding the Fourth Proportional to 10,887.54, 15,003.74 and 7,344.60

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Solution

The fourth proportional to 10,887.54, 15,003.74 and 7,344.60 is: 10,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.54 : 15,003.74 = 7,344.60 : x
  2. Step 2: Convert to fraction form
    10,887.54/15,003.74 = 7,344.60/x
  3. Step 3: Cross multiply
    10,887.54x = 15,003.74 × 7,344.60
  4. Step 4: Simplify right side
    10,887.54x = 110,196,468.80
  5. Step 5: Solve for x
    x = 110,196,468.80/10,887.54
  6. Step 6: Final answer
    x = 10,121.34

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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.