Home / 15,371.70-23,042.79-9,809.34

Finding the Fourth Proportional to 15,371.70, 23,042.79 and 9,809.34

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Solution

The fourth proportional to 15,371.70, 23,042.79 and 9,809.34 is: 14,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371.70 : 23,042.79 = 9,809.34 : x
  2. Step 2: Convert to fraction form
    15,371.70/23,042.79 = 9,809.34/x
  3. Step 3: Cross multiply
    15,371.70x = 23,042.79 × 9,809.34
  4. Step 4: Simplify right side
    15,371.70x = 226,034,561.66
  5. Step 5: Solve for x
    x = 226,034,561.66/15,371.70
  6. Step 6: Final answer
    x = 14,704.59

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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.