Home / 9,906.44-13,670.94-5,430.24

Finding the Fourth Proportional to 9,906.44, 13,670.94 and 5,430.24

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Solution

The fourth proportional to 9,906.44, 13,670.94 and 5,430.24 is: 7,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906.44 : 13,670.94 = 5,430.24 : x
  2. Step 2: Convert to fraction form
    9,906.44/13,670.94 = 5,430.24/x
  3. Step 3: Cross multiply
    9,906.44x = 13,670.94 × 5,430.24
  4. Step 4: Simplify right side
    9,906.44x = 74,236,505.59
  5. Step 5: Solve for x
    x = 74,236,505.59/9,906.44
  6. Step 6: Final answer
    x = 7,493.77

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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.