Home / 13,387.18-20,089.98-4,622.10

Finding the Fourth Proportional to 13,387.18, 20,089.98 and 4,622.10

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Solution

The fourth proportional to 13,387.18, 20,089.98 and 4,622.10 is: 6,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.18 : 20,089.98 = 4,622.10 : x
  2. Step 2: Convert to fraction form
    13,387.18/20,089.98 = 4,622.10/x
  3. Step 3: Cross multiply
    13,387.18x = 20,089.98 × 4,622.10
  4. Step 4: Simplify right side
    13,387.18x = 92,857,896.56
  5. Step 5: Solve for x
    x = 92,857,896.56/13,387.18
  6. Step 6: Final answer
    x = 6,936.33

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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.