Home / 10,371.34-15,556.97-2,580.15

Finding the Fourth Proportional to 10,371.34, 15,556.97 and 2,580.15

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Solution

The fourth proportional to 10,371.34, 15,556.97 and 2,580.15 is: 3,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.34 : 15,556.97 = 2,580.15 : x
  2. Step 2: Convert to fraction form
    10,371.34/15,556.97 = 2,580.15/x
  3. Step 3: Cross multiply
    10,371.34x = 15,556.97 × 2,580.15
  4. Step 4: Simplify right side
    10,371.34x = 40,139,316.15
  5. Step 5: Solve for x
    x = 40,139,316.15/10,371.34
  6. Step 6: Final answer
    x = 3,870.22

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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.