Home / 13,699.70-20,547.19-3,836.63

Finding the Fourth Proportional to 13,699.70, 20,547.19 and 3,836.63

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Solution

The fourth proportional to 13,699.70, 20,547.19 and 3,836.63 is: 5,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.70 : 20,547.19 = 3,836.63 : x
  2. Step 2: Convert to fraction form
    13,699.70/20,547.19 = 3,836.63/x
  3. Step 3: Cross multiply
    13,699.70x = 20,547.19 × 3,836.63
  4. Step 4: Simplify right side
    13,699.70x = 78,832,000.15
  5. Step 5: Solve for x
    x = 78,832,000.15/13,699.70
  6. Step 6: Final answer
    x = 5,754.29

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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.