Home / 13,614.03-20,411.40-5,287.05

Finding the Fourth Proportional to 13,614.03, 20,411.40 and 5,287.05

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Solution

The fourth proportional to 13,614.03, 20,411.40 and 5,287.05 is: 7,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.03 : 20,411.40 = 5,287.05 : x
  2. Step 2: Convert to fraction form
    13,614.03/20,411.40 = 5,287.05/x
  3. Step 3: Cross multiply
    13,614.03x = 20,411.40 × 5,287.05
  4. Step 4: Simplify right side
    13,614.03x = 107,916,092.37
  5. Step 5: Solve for x
    x = 107,916,092.37/13,614.03
  6. Step 6: Final answer
    x = 7,926.83

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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.