Home / 13,207.57-18,226.46-7,239.27

Finding the Fourth Proportional to 13,207.57, 18,226.46 and 7,239.27

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Solution

The fourth proportional to 13,207.57, 18,226.46 and 7,239.27 is: 9,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.57 : 18,226.46 = 7,239.27 : x
  2. Step 2: Convert to fraction form
    13,207.57/18,226.46 = 7,239.27/x
  3. Step 3: Cross multiply
    13,207.57x = 18,226.46 × 7,239.27
  4. Step 4: Simplify right side
    13,207.57x = 131,946,265.08
  5. Step 5: Solve for x
    x = 131,946,265.08/13,207.57
  6. Step 6: Final answer
    x = 9,990.20

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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.