Home / 13,003.74-19,505.61-3,770.46

Finding the Fourth Proportional to 13,003.74, 19,505.61 and 3,770.46

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Solution

The fourth proportional to 13,003.74, 19,505.61 and 3,770.46 is: 5,655.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003.74 : 19,505.61 = 3,770.46 : x
  2. Step 2: Convert to fraction form
    13,003.74/19,505.61 = 3,770.46/x
  3. Step 3: Cross multiply
    13,003.74x = 19,505.61 × 3,770.46
  4. Step 4: Simplify right side
    13,003.74x = 73,545,122.28
  5. Step 5: Solve for x
    x = 73,545,122.28/13,003.74
  6. Step 6: Final answer
    x = 5,655.69

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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.