Home / 13,906.60-19,197.32-8,877.48

Finding the Fourth Proportional to 13,906.60, 19,197.32 and 8,877.48

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Solution

The fourth proportional to 13,906.60, 19,197.32 and 8,877.48 is: 12,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.60 : 19,197.32 = 8,877.48 : x
  2. Step 2: Convert to fraction form
    13,906.60/19,197.32 = 8,877.48/x
  3. Step 3: Cross multiply
    13,906.60x = 19,197.32 × 8,877.48
  4. Step 4: Simplify right side
    13,906.60x = 170,423,824.35
  5. Step 5: Solve for x
    x = 170,423,824.35/13,906.60
  6. Step 6: Final answer
    x = 12,254.89

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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.