Home / 13,935.18-20,902.54-5,614.99

Finding the Fourth Proportional to 13,935.18, 20,902.54 and 5,614.99

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Solution

The fourth proportional to 13,935.18, 20,902.54 and 5,614.99 is: 8,422.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.18 : 20,902.54 = 5,614.99 : x
  2. Step 2: Convert to fraction form
    13,935.18/20,902.54 = 5,614.99/x
  3. Step 3: Cross multiply
    13,935.18x = 20,902.54 × 5,614.99
  4. Step 4: Simplify right side
    13,935.18x = 117,367,525.00
  5. Step 5: Solve for x
    x = 117,367,525.00/13,935.18
  6. Step 6: Final answer
    x = 8,422.39

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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.