Home / 19,692.02-29,519.33-7,853.06

Finding the Fourth Proportional to 19,692.02, 29,519.33 and 7,853.06

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Solution

The fourth proportional to 19,692.02, 29,519.33 and 7,853.06 is: 11,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.02 : 29,519.33 = 7,853.06 : x
  2. Step 2: Convert to fraction form
    19,692.02/29,519.33 = 7,853.06/x
  3. Step 3: Cross multiply
    19,692.02x = 29,519.33 × 7,853.06
  4. Step 4: Simplify right side
    19,692.02x = 231,816,882.79
  5. Step 5: Solve for x
    x = 231,816,882.79/19,692.02
  6. Step 6: Final answer
    x = 11,772.13

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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.