Home / 12,938.24-19,425.32-6,702.86

Finding the Fourth Proportional to 12,938.24, 19,425.32 and 6,702.86

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Solution

The fourth proportional to 12,938.24, 19,425.32 and 6,702.86 is: 10,063.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938.24 : 19,425.32 = 6,702.86 : x
  2. Step 2: Convert to fraction form
    12,938.24/19,425.32 = 6,702.86/x
  3. Step 3: Cross multiply
    12,938.24x = 19,425.32 × 6,702.86
  4. Step 4: Simplify right side
    12,938.24x = 130,205,200.42
  5. Step 5: Solve for x
    x = 130,205,200.42/12,938.24
  6. Step 6: Final answer
    x = 10,063.59

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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.