Home / 13,284.48-18,334.24-8,582.40

Finding the Fourth Proportional to 13,284.48, 18,334.24 and 8,582.40

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Solution

The fourth proportional to 13,284.48, 18,334.24 and 8,582.40 is: 11,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.48 : 18,334.24 = 8,582.40 : x
  2. Step 2: Convert to fraction form
    13,284.48/18,334.24 = 8,582.40/x
  3. Step 3: Cross multiply
    13,284.48x = 18,334.24 × 8,582.40
  4. Step 4: Simplify right side
    13,284.48x = 157,351,781.38
  5. Step 5: Solve for x
    x = 157,351,781.38/13,284.48
  6. Step 6: Final answer
    x = 11,844.78

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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.