Home / 10,371.75-15,557.69-2,580.56

Finding the Fourth Proportional to 10,371.75, 15,557.69 and 2,580.56

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Solution

The fourth proportional to 10,371.75, 15,557.69 and 2,580.56 is: 3,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.75 : 15,557.69 = 2,580.56 : x
  2. Step 2: Convert to fraction form
    10,371.75/15,557.69 = 2,580.56/x
  3. Step 3: Cross multiply
    10,371.75x = 15,557.69 × 2,580.56
  4. Step 4: Simplify right side
    10,371.75x = 40,147,552.51
  5. Step 5: Solve for x
    x = 40,147,552.51/10,371.75
  6. Step 6: Final answer
    x = 3,870.86

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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.