Home / 11,528.50-17,288.89-4,506.70

Finding the Fourth Proportional to 11,528.50, 17,288.89 and 4,506.70

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Solution

The fourth proportional to 11,528.50, 17,288.89 and 4,506.70 is: 6,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.50 : 17,288.89 = 4,506.70 : x
  2. Step 2: Convert to fraction form
    11,528.50/17,288.89 = 4,506.70/x
  3. Step 3: Cross multiply
    11,528.50x = 17,288.89 × 4,506.70
  4. Step 4: Simplify right side
    11,528.50x = 77,915,840.56
  5. Step 5: Solve for x
    x = 77,915,840.56/11,528.50
  6. Step 6: Final answer
    x = 6,758.54

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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.