Home / 9,365.13-12,923.82-5,116.20

Finding the Fourth Proportional to 9,365.13, 12,923.82 and 5,116.20

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Solution

The fourth proportional to 9,365.13, 12,923.82 and 5,116.20 is: 7,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.13 : 12,923.82 = 5,116.20 : x
  2. Step 2: Convert to fraction form
    9,365.13/12,923.82 = 5,116.20/x
  3. Step 3: Cross multiply
    9,365.13x = 12,923.82 × 5,116.20
  4. Step 4: Simplify right side
    9,365.13x = 66,120,847.88
  5. Step 5: Solve for x
    x = 66,120,847.88/9,365.13
  6. Step 6: Final answer
    x = 7,060.32

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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.