Home / 11,124.40-16,685.52-2,916.40

Finding the Fourth Proportional to 11,124.40, 16,685.52 and 2,916.40

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Solution

The fourth proportional to 11,124.40, 16,685.52 and 2,916.40 is: 4,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.40 : 16,685.52 = 2,916.40 : x
  2. Step 2: Convert to fraction form
    11,124.40/16,685.52 = 2,916.40/x
  3. Step 3: Cross multiply
    11,124.40x = 16,685.52 × 2,916.40
  4. Step 4: Simplify right side
    11,124.40x = 48,661,650.53
  5. Step 5: Solve for x
    x = 48,661,650.53/11,124.40
  6. Step 6: Final answer
    x = 4,374.32

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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.