Home / 13,446.69-18,556.88-7,397.19

Finding the Fourth Proportional to 13,446.69, 18,556.88 and 7,397.19

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Solution

The fourth proportional to 13,446.69, 18,556.88 and 7,397.19 is: 10,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.69 : 18,556.88 = 7,397.19 : x
  2. Step 2: Convert to fraction form
    13,446.69/18,556.88 = 7,397.19/x
  3. Step 3: Cross multiply
    13,446.69x = 18,556.88 × 7,397.19
  4. Step 4: Simplify right side
    13,446.69x = 137,268,767.17
  5. Step 5: Solve for x
    x = 137,268,767.17/13,446.69
  6. Step 6: Final answer
    x = 10,208.37

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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.