Home / 10,447.02-15,670.53-3,869.82

Finding the Fourth Proportional to 10,447.02, 15,670.53 and 3,869.82

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Solution

The fourth proportional to 10,447.02, 15,670.53 and 3,869.82 is: 5,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.02 : 15,670.53 = 3,869.82 : x
  2. Step 2: Convert to fraction form
    10,447.02/15,670.53 = 3,869.82/x
  3. Step 3: Cross multiply
    10,447.02x = 15,670.53 × 3,869.82
  4. Step 4: Simplify right side
    10,447.02x = 60,642,130.40
  5. Step 5: Solve for x
    x = 60,642,130.40/10,447.02
  6. Step 6: Final answer
    x = 5,804.73

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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.