Home / 11,989.52-16,545.63-6,684.69

Finding the Fourth Proportional to 11,989.52, 16,545.63 and 6,684.69

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Solution

The fourth proportional to 11,989.52, 16,545.63 and 6,684.69 is: 9,224.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.52 : 16,545.63 = 6,684.69 : x
  2. Step 2: Convert to fraction form
    11,989.52/16,545.63 = 6,684.69/x
  3. Step 3: Cross multiply
    11,989.52x = 16,545.63 × 6,684.69
  4. Step 4: Simplify right side
    11,989.52x = 110,602,494.52
  5. Step 5: Solve for x
    x = 110,602,494.52/11,989.52
  6. Step 6: Final answer
    x = 9,224.93

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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.