Home / 11,946.23-17,919.43-4,155.05

Finding the Fourth Proportional to 11,946.23, 17,919.43 and 4,155.05

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Solution

The fourth proportional to 11,946.23, 17,919.43 and 4,155.05 is: 6,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.23 : 17,919.43 = 4,155.05 : x
  2. Step 2: Convert to fraction form
    11,946.23/17,919.43 = 4,155.05/x
  3. Step 3: Cross multiply
    11,946.23x = 17,919.43 × 4,155.05
  4. Step 4: Simplify right side
    11,946.23x = 74,456,061.24
  5. Step 5: Solve for x
    x = 74,456,061.24/11,946.23
  6. Step 6: Final answer
    x = 6,232.60

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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.