Home / 13,108.80-19,666.26-3,748.93

Finding the Fourth Proportional to 13,108.80, 19,666.26 and 3,748.93

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Solution

The fourth proportional to 13,108.80, 19,666.26 and 3,748.93 is: 5,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.80 : 19,666.26 = 3,748.93 : x
  2. Step 2: Convert to fraction form
    13,108.80/19,666.26 = 3,748.93/x
  3. Step 3: Cross multiply
    13,108.80x = 19,666.26 × 3,748.93
  4. Step 4: Simplify right side
    13,108.80x = 73,727,432.10
  5. Step 5: Solve for x
    x = 73,727,432.10/13,108.80
  6. Step 6: Final answer
    x = 5,624.27

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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.