Home / 13,354.02-18,416.48-8,568.45

Finding the Fourth Proportional to 13,354.02, 18,416.48 and 8,568.45

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Solution

The fourth proportional to 13,354.02, 18,416.48 and 8,568.45 is: 11,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.02 : 18,416.48 = 8,568.45 : x
  2. Step 2: Convert to fraction form
    13,354.02/18,416.48 = 8,568.45/x
  3. Step 3: Cross multiply
    13,354.02x = 18,416.48 × 8,568.45
  4. Step 4: Simplify right side
    13,354.02x = 157,800,645.21
  5. Step 5: Solve for x
    x = 157,800,645.21/13,354.02
  6. Step 6: Final answer
    x = 11,816.71

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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.