Home / 10,371.44-14,313.90-7,726.38

Finding the Fourth Proportional to 10,371.44, 14,313.90 and 7,726.38

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Solution

The fourth proportional to 10,371.44, 14,313.90 and 7,726.38 is: 10,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.44 : 14,313.90 = 7,726.38 : x
  2. Step 2: Convert to fraction form
    10,371.44/14,313.90 = 7,726.38/x
  3. Step 3: Cross multiply
    10,371.44x = 14,313.90 × 7,726.38
  4. Step 4: Simplify right side
    10,371.44x = 110,594,630.68
  5. Step 5: Solve for x
    x = 110,594,630.68/10,371.44
  6. Step 6: Final answer
    x = 10,663.38

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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.