Home / 13,463.28-18,582.39-8,739.36

Finding the Fourth Proportional to 13,463.28, 18,582.39 and 8,739.36

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Solution

The fourth proportional to 13,463.28, 18,582.39 and 8,739.36 is: 12,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.28 : 18,582.39 = 8,739.36 : x
  2. Step 2: Convert to fraction form
    13,463.28/18,582.39 = 8,739.36/x
  3. Step 3: Cross multiply
    13,463.28x = 18,582.39 × 8,739.36
  4. Step 4: Simplify right side
    13,463.28x = 162,398,195.87
  5. Step 5: Solve for x
    x = 162,398,195.87/13,463.28
  6. Step 6: Final answer
    x = 12,062.31

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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.