Home / 13,032.60-19,520.10-10,087.80

Finding the Fourth Proportional to 13,032.60, 19,520.10 and 10,087.80

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Solution

The fourth proportional to 13,032.60, 19,520.10 and 10,087.80 is: 15,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.60 : 19,520.10 = 10,087.80 : x
  2. Step 2: Convert to fraction form
    13,032.60/19,520.10 = 10,087.80/x
  3. Step 3: Cross multiply
    13,032.60x = 19,520.10 × 10,087.80
  4. Step 4: Simplify right side
    13,032.60x = 196,914,864.78
  5. Step 5: Solve for x
    x = 196,914,864.78/13,032.60
  6. Step 6: Final answer
    x = 15,109.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.