Home / 11,869.92-16,381.72-6,834.32

Finding the Fourth Proportional to 11,869.92, 16,381.72 and 6,834.32

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Solution

The fourth proportional to 11,869.92, 16,381.72 and 6,834.32 is: 9,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.92 : 16,381.72 = 6,834.32 : x
  2. Step 2: Convert to fraction form
    11,869.92/16,381.72 = 6,834.32/x
  3. Step 3: Cross multiply
    11,869.92x = 16,381.72 × 6,834.32
  4. Step 4: Simplify right side
    11,869.92x = 111,957,916.63
  5. Step 5: Solve for x
    x = 111,957,916.63/11,869.92
  6. Step 6: Final answer
    x = 9,432.07

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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.