Home / 10,420.02-15,628.35-3,849.30

Finding the Fourth Proportional to 10,420.02, 15,628.35 and 3,849.30

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Solution

The fourth proportional to 10,420.02, 15,628.35 and 3,849.30 is: 5,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.02 : 15,628.35 = 3,849.30 : x
  2. Step 2: Convert to fraction form
    10,420.02/15,628.35 = 3,849.30/x
  3. Step 3: Cross multiply
    10,420.02x = 15,628.35 × 3,849.30
  4. Step 4: Simplify right side
    10,420.02x = 60,158,207.66
  5. Step 5: Solve for x
    x = 60,158,207.66/10,420.02
  6. Step 6: Final answer
    x = 5,773.33

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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.