Home / 13,849.01-20,742.53-6,442.37

Finding the Fourth Proportional to 13,849.01, 20,742.53 and 6,442.37

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Solution

The fourth proportional to 13,849.01, 20,742.53 and 6,442.37 is: 9,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.01 : 20,742.53 = 6,442.37 : x
  2. Step 2: Convert to fraction form
    13,849.01/20,742.53 = 6,442.37/x
  3. Step 3: Cross multiply
    13,849.01x = 20,742.53 × 6,442.37
  4. Step 4: Simplify right side
    13,849.01x = 133,631,082.07
  5. Step 5: Solve for x
    x = 133,631,082.07/13,849.01
  6. Step 6: Final answer
    x = 9,649.14

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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.