Home / 10,126.30-15,267.37-9,944.86

Finding the Fourth Proportional to 10,126.30, 15,267.37 and 9,944.86

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Solution

The fourth proportional to 10,126.30, 15,267.37 and 9,944.86 is: 14,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.30 : 15,267.37 = 9,944.86 : x
  2. Step 2: Convert to fraction form
    10,126.30/15,267.37 = 9,944.86/x
  3. Step 3: Cross multiply
    10,126.30x = 15,267.37 × 9,944.86
  4. Step 4: Simplify right side
    10,126.30x = 151,831,857.22
  5. Step 5: Solve for x
    x = 151,831,857.22/10,126.30
  6. Step 6: Final answer
    x = 14,993.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.