Home / 10,371.80-15,555.38-2,976.22

Finding the Fourth Proportional to 10,371.80, 15,555.38 and 2,976.22

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Solution

The fourth proportional to 10,371.80, 15,555.38 and 2,976.22 is: 4,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.80 : 15,555.38 = 2,976.22 : x
  2. Step 2: Convert to fraction form
    10,371.80/15,555.38 = 2,976.22/x
  3. Step 3: Cross multiply
    10,371.80x = 15,555.38 × 2,976.22
  4. Step 4: Simplify right side
    10,371.80x = 46,296,233.06
  5. Step 5: Solve for x
    x = 46,296,233.06/10,371.80
  6. Step 6: Final answer
    x = 4,463.66

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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.