Home / 9,430.50-13,014.63-5,239.02

Finding the Fourth Proportional to 9,430.50, 13,014.63 and 5,239.02

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Solution

The fourth proportional to 9,430.50, 13,014.63 and 5,239.02 is: 7,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.50 : 13,014.63 = 5,239.02 : x
  2. Step 2: Convert to fraction form
    9,430.50/13,014.63 = 5,239.02/x
  3. Step 3: Cross multiply
    9,430.50x = 13,014.63 × 5,239.02
  4. Step 4: Simplify right side
    9,430.50x = 68,183,906.86
  5. Step 5: Solve for x
    x = 68,183,906.86/9,430.50
  6. Step 6: Final answer
    x = 7,230.15

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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.