Home / 9,906.26-13,670.66-5,430.18

Finding the Fourth Proportional to 9,906.26, 13,670.66 and 5,430.18

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Solution

The fourth proportional to 9,906.26, 13,670.66 and 5,430.18 is: 7,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906.26 : 13,670.66 = 5,430.18 : x
  2. Step 2: Convert to fraction form
    9,906.26/13,670.66 = 5,430.18/x
  3. Step 3: Cross multiply
    9,906.26x = 13,670.66 × 5,430.18
  4. Step 4: Simplify right side
    9,906.26x = 74,234,144.52
  5. Step 5: Solve for x
    x = 74,234,144.52/9,906.26
  6. Step 6: Final answer
    x = 7,493.66

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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.