Home / 11,989.49-16,545.17-6,953.39

Finding the Fourth Proportional to 11,989.49, 16,545.17 and 6,953.39

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Solution

The fourth proportional to 11,989.49, 16,545.17 and 6,953.39 is: 9,595.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.49 : 16,545.17 = 6,953.39 : x
  2. Step 2: Convert to fraction form
    11,989.49/16,545.17 = 6,953.39/x
  3. Step 3: Cross multiply
    11,989.49x = 16,545.17 × 6,953.39
  4. Step 4: Simplify right side
    11,989.49x = 115,045,019.63
  5. Step 5: Solve for x
    x = 115,045,019.63/11,989.49
  6. Step 6: Final answer
    x = 9,595.49

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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.