Home / 13,550.64-18,699.91-7,582.41

Finding the Fourth Proportional to 13,550.64, 18,699.91 and 7,582.41

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Solution

The fourth proportional to 13,550.64, 18,699.91 and 7,582.41 is: 10,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.64 : 18,699.91 = 7,582.41 : x
  2. Step 2: Convert to fraction form
    13,550.64/18,699.91 = 7,582.41/x
  3. Step 3: Cross multiply
    13,550.64x = 18,699.91 × 7,582.41
  4. Step 4: Simplify right side
    13,550.64x = 141,790,408.28
  5. Step 5: Solve for x
    x = 141,790,408.28/13,550.64
  6. Step 6: Final answer
    x = 10,463.74

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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.