Home / 13,207.27-18,226.04-7,902.07

Finding the Fourth Proportional to 13,207.27, 18,226.04 and 7,902.07

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Solution

The fourth proportional to 13,207.27, 18,226.04 and 7,902.07 is: 10,904.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.27 : 18,226.04 = 7,902.07 : x
  2. Step 2: Convert to fraction form
    13,207.27/18,226.04 = 7,902.07/x
  3. Step 3: Cross multiply
    13,207.27x = 18,226.04 × 7,902.07
  4. Step 4: Simplify right side
    13,207.27x = 144,023,443.90
  5. Step 5: Solve for x
    x = 144,023,443.90/13,207.27
  6. Step 6: Final answer
    x = 10,904.86

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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.