Home / 13,756.98-20,635.54-3,368.74

Finding the Fourth Proportional to 13,756.98, 20,635.54 and 3,368.74

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Solution

The fourth proportional to 13,756.98, 20,635.54 and 3,368.74 is: 5,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.98 : 20,635.54 = 3,368.74 : x
  2. Step 2: Convert to fraction form
    13,756.98/20,635.54 = 3,368.74/x
  3. Step 3: Cross multiply
    13,756.98x = 20,635.54 × 3,368.74
  4. Step 4: Simplify right side
    13,756.98x = 69,515,769.02
  5. Step 5: Solve for x
    x = 69,515,769.02/13,756.98
  6. Step 6: Final answer
    x = 5,053.13

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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.