Home / 11,030.82-15,222.30-6,315.42

Finding the Fourth Proportional to 11,030.82, 15,222.30 and 6,315.42

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Solution

The fourth proportional to 11,030.82, 15,222.30 and 6,315.42 is: 8,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.82 : 15,222.30 = 6,315.42 : x
  2. Step 2: Convert to fraction form
    11,030.82/15,222.30 = 6,315.42/x
  3. Step 3: Cross multiply
    11,030.82x = 15,222.30 × 6,315.42
  4. Step 4: Simplify right side
    11,030.82x = 96,135,217.87
  5. Step 5: Solve for x
    x = 96,135,217.87/11,030.82
  6. Step 6: Final answer
    x = 8,715.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.