Home / 9,430.56-13,014.96-5,239.20

Finding the Fourth Proportional to 9,430.56, 13,014.96 and 5,239.20

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Solution

The fourth proportional to 9,430.56, 13,014.96 and 5,239.20 is: 7,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.56 : 13,014.96 = 5,239.20 : x
  2. Step 2: Convert to fraction form
    9,430.56/13,014.96 = 5,239.20/x
  3. Step 3: Cross multiply
    9,430.56x = 13,014.96 × 5,239.20
  4. Step 4: Simplify right side
    9,430.56x = 68,187,978.43
  5. Step 5: Solve for x
    x = 68,187,978.43/9,430.56
  6. Step 6: Final answer
    x = 7,230.53

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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.