Home / 11,940.20-17,916.42-4,925.60

Finding the Fourth Proportional to 11,940.20, 17,916.42 and 4,925.60

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Solution

The fourth proportional to 11,940.20, 17,916.42 and 4,925.60 is: 7,390.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.20 : 17,916.42 = 4,925.60 : x
  2. Step 2: Convert to fraction form
    11,940.20/17,916.42 = 4,925.60/x
  3. Step 3: Cross multiply
    11,940.20x = 17,916.42 × 4,925.60
  4. Step 4: Simplify right side
    11,940.20x = 88,249,118.35
  5. Step 5: Solve for x
    x = 88,249,118.35/11,940.20
  6. Step 6: Final answer
    x = 7,390.92

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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.