Home / 11,916.68-17,886.12-6,077.66

Finding the Fourth Proportional to 11,916.68, 17,886.12 and 6,077.66

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Solution

The fourth proportional to 11,916.68, 17,886.12 and 6,077.66 is: 9,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.68 : 17,886.12 = 6,077.66 : x
  2. Step 2: Convert to fraction form
    11,916.68/17,886.12 = 6,077.66/x
  3. Step 3: Cross multiply
    11,916.68x = 17,886.12 × 6,077.66
  4. Step 4: Simplify right side
    11,916.68x = 108,705,756.08
  5. Step 5: Solve for x
    x = 108,705,756.08/11,916.68
  6. Step 6: Final answer
    x = 9,122.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.