Home / 10,840.81-16,261.68-3,445.11

Finding the Fourth Proportional to 10,840.81, 16,261.68 and 3,445.11

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Solution

The fourth proportional to 10,840.81, 16,261.68 and 3,445.11 is: 5,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.81 : 16,261.68 = 3,445.11 : x
  2. Step 2: Convert to fraction form
    10,840.81/16,261.68 = 3,445.11/x
  3. Step 3: Cross multiply
    10,840.81x = 16,261.68 × 3,445.11
  4. Step 4: Simplify right side
    10,840.81x = 56,023,276.38
  5. Step 5: Solve for x
    x = 56,023,276.38/10,840.81
  6. Step 6: Final answer
    x = 5,167.81

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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.