Home / 13,367.09-18,446.35-7,398.62

Finding the Fourth Proportional to 13,367.09, 18,446.35 and 7,398.62

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Solution

The fourth proportional to 13,367.09, 18,446.35 and 7,398.62 is: 10,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,367.09 : 18,446.35 = 7,398.62 : x
  2. Step 2: Convert to fraction form
    13,367.09/18,446.35 = 7,398.62/x
  3. Step 3: Cross multiply
    13,367.09x = 18,446.35 × 7,398.62
  4. Step 4: Simplify right side
    13,367.09x = 136,477,543.16
  5. Step 5: Solve for x
    x = 136,477,543.16/13,367.09
  6. Step 6: Final answer
    x = 10,209.97

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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.