Home / 11,337.60-17,006.55-3,942.30

Finding the Fourth Proportional to 11,337.60, 17,006.55 and 3,942.30

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Solution

The fourth proportional to 11,337.60, 17,006.55 and 3,942.30 is: 5,913.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.60 : 17,006.55 = 3,942.30 : x
  2. Step 2: Convert to fraction form
    11,337.60/17,006.55 = 3,942.30/x
  3. Step 3: Cross multiply
    11,337.60x = 17,006.55 × 3,942.30
  4. Step 4: Simplify right side
    11,337.60x = 67,044,922.07
  5. Step 5: Solve for x
    x = 67,044,922.07/11,337.60
  6. Step 6: Final answer
    x = 5,913.50

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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.