Home / 10,163.61-15,221.76-9,883.35

Finding the Fourth Proportional to 10,163.61, 15,221.76 and 9,883.35

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Solution

The fourth proportional to 10,163.61, 15,221.76 and 9,883.35 is: 14,802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.61 : 15,221.76 = 9,883.35 : x
  2. Step 2: Convert to fraction form
    10,163.61/15,221.76 = 9,883.35/x
  3. Step 3: Cross multiply
    10,163.61x = 15,221.76 × 9,883.35
  4. Step 4: Simplify right side
    10,163.61x = 150,441,944.63
  5. Step 5: Solve for x
    x = 150,441,944.63/10,163.61
  6. Step 6: Final answer
    x = 14,802.02

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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.