Home / 9,723.48-13,439.10-8,571.66

Finding the Fourth Proportional to 9,723.48, 13,439.10 and 8,571.66

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Solution

The fourth proportional to 9,723.48, 13,439.10 and 8,571.66 is: 11,847.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.48 : 13,439.10 = 8,571.66 : x
  2. Step 2: Convert to fraction form
    9,723.48/13,439.10 = 8,571.66/x
  3. Step 3: Cross multiply
    9,723.48x = 13,439.10 × 8,571.66
  4. Step 4: Simplify right side
    9,723.48x = 115,195,395.91
  5. Step 5: Solve for x
    x = 115,195,395.91/9,723.48
  6. Step 6: Final answer
    x = 11,847.14

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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.