Home / 10,277.45-15,419.22-4,351.29

Finding the Fourth Proportional to 10,277.45, 15,419.22 and 4,351.29

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Solution

The fourth proportional to 10,277.45, 15,419.22 and 4,351.29 is: 6,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.45 : 15,419.22 = 4,351.29 : x
  2. Step 2: Convert to fraction form
    10,277.45/15,419.22 = 4,351.29/x
  3. Step 3: Cross multiply
    10,277.45x = 15,419.22 × 4,351.29
  4. Step 4: Simplify right side
    10,277.45x = 67,093,497.79
  5. Step 5: Solve for x
    x = 67,093,497.79/10,277.45
  6. Step 6: Final answer
    x = 6,528.22

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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.