Home / 13,902.60-19,191.80-8,873.48

Finding the Fourth Proportional to 13,902.60, 19,191.80 and 8,873.48

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Solution

The fourth proportional to 13,902.60, 19,191.80 and 8,873.48 is: 12,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.60 : 19,191.80 = 8,873.48 : x
  2. Step 2: Convert to fraction form
    13,902.60/19,191.80 = 8,873.48/x
  3. Step 3: Cross multiply
    13,902.60x = 19,191.80 × 8,873.48
  4. Step 4: Simplify right side
    13,902.60x = 170,298,053.46
  5. Step 5: Solve for x
    x = 170,298,053.46/13,902.60
  6. Step 6: Final answer
    x = 12,249.37

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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.