Home / 11,690.79-17,538.57-4,295.32

Finding the Fourth Proportional to 11,690.79, 17,538.57 and 4,295.32

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Solution

The fourth proportional to 11,690.79, 17,538.57 and 4,295.32 is: 6,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.79 : 17,538.57 = 4,295.32 : x
  2. Step 2: Convert to fraction form
    11,690.79/17,538.57 = 4,295.32/x
  3. Step 3: Cross multiply
    11,690.79x = 17,538.57 × 4,295.32
  4. Step 4: Simplify right side
    11,690.79x = 75,333,770.49
  5. Step 5: Solve for x
    x = 75,333,770.49/11,690.79
  6. Step 6: Final answer
    x = 6,443.86

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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.