Home / 13,677.60-18,877.29-10,324.20

Finding the Fourth Proportional to 13,677.60, 18,877.29 and 10,324.20

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Solution

The fourth proportional to 13,677.60, 18,877.29 and 10,324.20 is: 14,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.60 : 18,877.29 = 10,324.20 : x
  2. Step 2: Convert to fraction form
    13,677.60/18,877.29 = 10,324.20/x
  3. Step 3: Cross multiply
    13,677.60x = 18,877.29 × 10,324.20
  4. Step 4: Simplify right side
    13,677.60x = 194,892,917.42
  5. Step 5: Solve for x
    x = 194,892,917.42/13,677.60
  6. Step 6: Final answer
    x = 14,249.06

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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.