Home / 13,714.36-20,572.50-6,787

Finding the Fourth Proportional to 13,714.36, 20,572.50 and 6,787

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Solution

The fourth proportional to 13,714.36, 20,572.50 and 6,787 is: 10,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.36 : 20,572.50 = 6,787 : x
  2. Step 2: Convert to fraction form
    13,714.36/20,572.50 = 6,787/x
  3. Step 3: Cross multiply
    13,714.36x = 20,572.50 × 6,787
  4. Step 4: Simplify right side
    13,714.36x = 139,625,557.50
  5. Step 5: Solve for x
    x = 139,625,557.50/13,714.36
  6. Step 6: Final answer
    x = 10,180.98

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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.