Home / 13,625.17-20,437.72-3,764.39

Finding the Fourth Proportional to 13,625.17, 20,437.72 and 3,764.39

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Solution

The fourth proportional to 13,625.17, 20,437.72 and 3,764.39 is: 5,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.17 : 20,437.72 = 3,764.39 : x
  2. Step 2: Convert to fraction form
    13,625.17/20,437.72 = 3,764.39/x
  3. Step 3: Cross multiply
    13,625.17x = 20,437.72 × 3,764.39
  4. Step 4: Simplify right side
    13,625.17x = 76,935,548.79
  5. Step 5: Solve for x
    x = 76,935,548.79/13,625.17
  6. Step 6: Final answer
    x = 5,646.58

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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.