Home / 17,310.49-25,955.36-7,938.77

Finding the Fourth Proportional to 17,310.49, 25,955.36 and 7,938.77

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Solution

The fourth proportional to 17,310.49, 25,955.36 and 7,938.77 is: 11,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,310.49 : 25,955.36 = 7,938.77 : x
  2. Step 2: Convert to fraction form
    17,310.49/25,955.36 = 7,938.77/x
  3. Step 3: Cross multiply
    17,310.49x = 25,955.36 × 7,938.77
  4. Step 4: Simplify right side
    17,310.49x = 206,053,613.46
  5. Step 5: Solve for x
    x = 206,053,613.46/17,310.49
  6. Step 6: Final answer
    x = 11,903.39

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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.