Home / 14,109.03-21,177.23-7,539.84

Finding the Fourth Proportional to 14,109.03, 21,177.23 and 7,539.84

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Solution

The fourth proportional to 14,109.03, 21,177.23 and 7,539.84 is: 11,317.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.03 : 21,177.23 = 7,539.84 : x
  2. Step 2: Convert to fraction form
    14,109.03/21,177.23 = 7,539.84/x
  3. Step 3: Cross multiply
    14,109.03x = 21,177.23 × 7,539.84
  4. Step 4: Simplify right side
    14,109.03x = 159,672,888.14
  5. Step 5: Solve for x
    x = 159,672,888.14/14,109.03
  6. Step 6: Final answer
    x = 11,317.07

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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.