Home / 13,897.05-20,827.15-7,327.89

Finding the Fourth Proportional to 13,897.05, 20,827.15 and 7,327.89

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Solution

The fourth proportional to 13,897.05, 20,827.15 and 7,327.89 is: 10,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.05 : 20,827.15 = 7,327.89 : x
  2. Step 2: Convert to fraction form
    13,897.05/20,827.15 = 7,327.89/x
  3. Step 3: Cross multiply
    13,897.05x = 20,827.15 × 7,327.89
  4. Step 4: Simplify right side
    13,897.05x = 152,618,923.44
  5. Step 5: Solve for x
    x = 152,618,923.44/13,897.05
  6. Step 6: Final answer
    x = 10,982.11

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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.