Home / 22,431.30-33,652.16-7,640.34

Finding the Fourth Proportional to 22,431.30, 33,652.16 and 7,640.34

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Solution

The fourth proportional to 22,431.30, 33,652.16 and 7,640.34 is: 11,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,431.30 : 33,652.16 = 7,640.34 : x
  2. Step 2: Convert to fraction form
    22,431.30/33,652.16 = 7,640.34/x
  3. Step 3: Cross multiply
    22,431.30x = 33,652.16 × 7,640.34
  4. Step 4: Simplify right side
    22,431.30x = 257,113,944.13
  5. Step 5: Solve for x
    x = 257,113,944.13/22,431.30
  6. Step 6: Final answer
    x = 11,462.28

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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.