Home / 11,049.45-15,243.21-6,570.66

Finding the Fourth Proportional to 11,049.45, 15,243.21 and 6,570.66

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Solution

The fourth proportional to 11,049.45, 15,243.21 and 6,570.66 is: 9,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.45 : 15,243.21 = 6,570.66 : x
  2. Step 2: Convert to fraction form
    11,049.45/15,243.21 = 6,570.66/x
  3. Step 3: Cross multiply
    11,049.45x = 15,243.21 × 6,570.66
  4. Step 4: Simplify right side
    11,049.45x = 100,157,950.22
  5. Step 5: Solve for x
    x = 100,157,950.22/11,049.45
  6. Step 6: Final answer
    x = 9,064.52

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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.