Home / 14,889.19-20,545.82-8,174.76

Finding the Fourth Proportional to 14,889.19, 20,545.82 and 8,174.76

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Solution

The fourth proportional to 14,889.19, 20,545.82 and 8,174.76 is: 11,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.19 : 20,545.82 = 8,174.76 : x
  2. Step 2: Convert to fraction form
    14,889.19/20,545.82 = 8,174.76/x
  3. Step 3: Cross multiply
    14,889.19x = 20,545.82 × 8,174.76
  4. Step 4: Simplify right side
    14,889.19x = 167,957,147.50
  5. Step 5: Solve for x
    x = 167,957,147.50/14,889.19
  6. Step 6: Final answer
    x = 11,280.48

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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.