Home / 15,134.88-22,702.34-6,813.35

Finding the Fourth Proportional to 15,134.88, 22,702.34 and 6,813.35

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Solution

The fourth proportional to 15,134.88, 22,702.34 and 6,813.35 is: 10,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.88 : 22,702.34 = 6,813.35 : x
  2. Step 2: Convert to fraction form
    15,134.88/22,702.34 = 6,813.35/x
  3. Step 3: Cross multiply
    15,134.88x = 22,702.34 × 6,813.35
  4. Step 4: Simplify right side
    15,134.88x = 154,678,976.89
  5. Step 5: Solve for x
    x = 154,678,976.89/15,134.88
  6. Step 6: Final answer
    x = 10,220.03

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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.