Home / 11,916.40-16,452.12-10,793.20

Finding the Fourth Proportional to 11,916.40, 16,452.12 and 10,793.20

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Solution

The fourth proportional to 11,916.40, 16,452.12 and 10,793.20 is: 14,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.40 : 16,452.12 = 10,793.20 : x
  2. Step 2: Convert to fraction form
    11,916.40/16,452.12 = 10,793.20/x
  3. Step 3: Cross multiply
    11,916.40x = 16,452.12 × 10,793.20
  4. Step 4: Simplify right side
    11,916.40x = 177,571,021.58
  5. Step 5: Solve for x
    x = 177,571,021.58/11,916.40
  6. Step 6: Final answer
    x = 14,901.40

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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.