Home / 10,278.84-15,419.48-3,704.08

Finding the Fourth Proportional to 10,278.84, 15,419.48 and 3,704.08

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Solution

The fourth proportional to 10,278.84, 15,419.48 and 3,704.08 is: 5,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.84 : 15,419.48 = 3,704.08 : x
  2. Step 2: Convert to fraction form
    10,278.84/15,419.48 = 3,704.08/x
  3. Step 3: Cross multiply
    10,278.84x = 15,419.48 × 3,704.08
  4. Step 4: Simplify right side
    10,278.84x = 57,114,987.48
  5. Step 5: Solve for x
    x = 57,114,987.48/10,278.84
  6. Step 6: Final answer
    x = 5,556.56

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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.