Home / 13,550.15-18,699.20-7,582.97

Finding the Fourth Proportional to 13,550.15, 18,699.20 and 7,582.97

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Solution

The fourth proportional to 13,550.15, 18,699.20 and 7,582.97 is: 10,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.15 : 18,699.20 = 7,582.97 : x
  2. Step 2: Convert to fraction form
    13,550.15/18,699.20 = 7,582.97/x
  3. Step 3: Cross multiply
    13,550.15x = 18,699.20 × 7,582.97
  4. Step 4: Simplify right side
    13,550.15x = 141,795,472.62
  5. Step 5: Solve for x
    x = 141,795,472.62/13,550.15
  6. Step 6: Final answer
    x = 10,464.49

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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.