Home / 13,351.02-20,026.32-3,490.89

Finding the Fourth Proportional to 13,351.02, 20,026.32 and 3,490.89

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Solution

The fourth proportional to 13,351.02, 20,026.32 and 3,490.89 is: 5,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.02 : 20,026.32 = 3,490.89 : x
  2. Step 2: Convert to fraction form
    13,351.02/20,026.32 = 3,490.89/x
  3. Step 3: Cross multiply
    13,351.02x = 20,026.32 × 3,490.89
  4. Step 4: Simplify right side
    13,351.02x = 69,909,680.22
  5. Step 5: Solve for x
    x = 69,909,680.22/13,351.02
  6. Step 6: Final answer
    x = 5,236.28

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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.