Home / 15,091.20-22,636.80-4,702.96

Finding the Fourth Proportional to 15,091.20, 22,636.80 and 4,702.96

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Solution

The fourth proportional to 15,091.20, 22,636.80 and 4,702.96 is: 7,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091.20 : 22,636.80 = 4,702.96 : x
  2. Step 2: Convert to fraction form
    15,091.20/22,636.80 = 4,702.96/x
  3. Step 3: Cross multiply
    15,091.20x = 22,636.80 × 4,702.96
  4. Step 4: Simplify right side
    15,091.20x = 106,459,964.93
  5. Step 5: Solve for x
    x = 106,459,964.93/15,091.20
  6. Step 6: Final answer
    x = 7,054.44

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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.