Home / 10,163.60-15,215.70-7,247.60

Finding the Fourth Proportional to 10,163.60, 15,215.70 and 7,247.60

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Solution

The fourth proportional to 10,163.60, 15,215.70 and 7,247.60 is: 10,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.60 : 15,215.70 = 7,247.60 : x
  2. Step 2: Convert to fraction form
    10,163.60/15,215.70 = 7,247.60/x
  3. Step 3: Cross multiply
    10,163.60x = 15,215.70 × 7,247.60
  4. Step 4: Simplify right side
    10,163.60x = 110,277,307.32
  5. Step 5: Solve for x
    x = 110,277,307.32/10,163.60
  6. Step 6: Final answer
    x = 10,850.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.