Home / 18,600.40-25,667.80-11,526.72

Finding the Fourth Proportional to 18,600.40, 25,667.80 and 11,526.72

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Solution

The fourth proportional to 18,600.40, 25,667.80 and 11,526.72 is: 15,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.40 : 25,667.80 = 11,526.72 : x
  2. Step 2: Convert to fraction form
    18,600.40/25,667.80 = 11,526.72/x
  3. Step 3: Cross multiply
    18,600.40x = 25,667.80 × 11,526.72
  4. Step 4: Simplify right side
    18,600.40x = 295,865,543.62
  5. Step 5: Solve for x
    x = 295,865,543.62/18,600.40
  6. Step 6: Final answer
    x = 15,906.41

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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.