Home / 11,989.68-16,545.42-6,953.58

Finding the Fourth Proportional to 11,989.68, 16,545.42 and 6,953.58

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Solution

The fourth proportional to 11,989.68, 16,545.42 and 6,953.58 is: 9,595.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.68 : 16,545.42 = 6,953.58 : x
  2. Step 2: Convert to fraction form
    11,989.68/16,545.42 = 6,953.58/x
  3. Step 3: Cross multiply
    11,989.68x = 16,545.42 × 6,953.58
  4. Step 4: Simplify right side
    11,989.68x = 115,049,901.60
  5. Step 5: Solve for x
    x = 115,049,901.60/11,989.68
  6. Step 6: Final answer
    x = 9,595.75

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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.