Home / 10,371.99-15,557.96-2,580.80

Finding the Fourth Proportional to 10,371.99, 15,557.96 and 2,580.80

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Solution

The fourth proportional to 10,371.99, 15,557.96 and 2,580.80 is: 3,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.99 : 15,557.96 = 2,580.80 : x
  2. Step 2: Convert to fraction form
    10,371.99/15,557.96 = 2,580.80/x
  3. Step 3: Cross multiply
    10,371.99x = 15,557.96 × 2,580.80
  4. Step 4: Simplify right side
    10,371.99x = 40,152,028.51
  5. Step 5: Solve for x
    x = 40,152,028.51/10,371.99
  6. Step 6: Final answer
    x = 3,871.20

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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.