Home / 13,252.46-18,291.05-7,873.86

Finding the Fourth Proportional to 13,252.46, 18,291.05 and 7,873.86

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Solution

The fourth proportional to 13,252.46, 18,291.05 and 7,873.86 is: 10,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.46 : 18,291.05 = 7,873.86 : x
  2. Step 2: Convert to fraction form
    13,252.46/18,291.05 = 7,873.86/x
  3. Step 3: Cross multiply
    13,252.46x = 18,291.05 × 7,873.86
  4. Step 4: Simplify right side
    13,252.46x = 144,021,194.62
  5. Step 5: Solve for x
    x = 144,021,194.62/13,252.46
  6. Step 6: Final answer
    x = 10,867.51

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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.