Home / 11,119.53-16,679.33-4,545.72

Finding the Fourth Proportional to 11,119.53, 16,679.33 and 4,545.72

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Solution

The fourth proportional to 11,119.53, 16,679.33 and 4,545.72 is: 6,818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.53 : 16,679.33 = 4,545.72 : x
  2. Step 2: Convert to fraction form
    11,119.53/16,679.33 = 4,545.72/x
  3. Step 3: Cross multiply
    11,119.53x = 16,679.33 × 4,545.72
  4. Step 4: Simplify right side
    11,119.53x = 75,819,541.24
  5. Step 5: Solve for x
    x = 75,819,541.24/11,119.53
  6. Step 6: Final answer
    x = 6,818.59

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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.