Home / 11,661.91-17,439.67-8,702.44

Finding the Fourth Proportional to 11,661.91, 17,439.67 and 8,702.44

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Solution

The fourth proportional to 11,661.91, 17,439.67 and 8,702.44 is: 13,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.91 : 17,439.67 = 8,702.44 : x
  2. Step 2: Convert to fraction form
    11,661.91/17,439.67 = 8,702.44/x
  3. Step 3: Cross multiply
    11,661.91x = 17,439.67 × 8,702.44
  4. Step 4: Simplify right side
    11,661.91x = 151,767,681.79
  5. Step 5: Solve for x
    x = 151,767,681.79/11,661.91
  6. Step 6: Final answer
    x = 13,013.96

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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.