Home / 11,997.42-16,545.18-9,485.52

Finding the Fourth Proportional to 11,997.42, 16,545.18 and 9,485.52

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Solution

The fourth proportional to 11,997.42, 16,545.18 and 9,485.52 is: 13,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.42 : 16,545.18 = 9,485.52 : x
  2. Step 2: Convert to fraction form
    11,997.42/16,545.18 = 9,485.52/x
  3. Step 3: Cross multiply
    11,997.42x = 16,545.18 × 9,485.52
  4. Step 4: Simplify right side
    11,997.42x = 156,939,635.79
  5. Step 5: Solve for x
    x = 156,939,635.79/11,997.42
  6. Step 6: Final answer
    x = 13,081.12

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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.