Home / 14,269.56-19,692.36-7,981.92

Finding the Fourth Proportional to 14,269.56, 19,692.36 and 7,981.92

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Solution

The fourth proportional to 14,269.56, 19,692.36 and 7,981.92 is: 11,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.56 : 19,692.36 = 7,981.92 : x
  2. Step 2: Convert to fraction form
    14,269.56/19,692.36 = 7,981.92/x
  3. Step 3: Cross multiply
    14,269.56x = 19,692.36 × 7,981.92
  4. Step 4: Simplify right side
    14,269.56x = 157,182,842.13
  5. Step 5: Solve for x
    x = 157,182,842.13/14,269.56
  6. Step 6: Final answer
    x = 11,015.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.