Home / 10,347.24-15,520.78-2,556.08

Finding the Fourth Proportional to 10,347.24, 15,520.78 and 2,556.08

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Solution

The fourth proportional to 10,347.24, 15,520.78 and 2,556.08 is: 3,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.24 : 15,520.78 = 2,556.08 : x
  2. Step 2: Convert to fraction form
    10,347.24/15,520.78 = 2,556.08/x
  3. Step 3: Cross multiply
    10,347.24x = 15,520.78 × 2,556.08
  4. Step 4: Simplify right side
    10,347.24x = 39,672,355.34
  5. Step 5: Solve for x
    x = 39,672,355.34/10,347.24
  6. Step 6: Final answer
    x = 3,834.10

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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.