Home / 11,946.30-17,919.45-6,114.30

Finding the Fourth Proportional to 11,946.30, 17,919.45 and 6,114.30

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Solution

The fourth proportional to 11,946.30, 17,919.45 and 6,114.30 is: 9,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.30 : 17,919.45 = 6,114.30 : x
  2. Step 2: Convert to fraction form
    11,946.30/17,919.45 = 6,114.30/x
  3. Step 3: Cross multiply
    11,946.30x = 17,919.45 × 6,114.30
  4. Step 4: Simplify right side
    11,946.30x = 109,564,893.14
  5. Step 5: Solve for x
    x = 109,564,893.14/11,946.30
  6. Step 6: Final answer
    x = 9,171.45

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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.