Home / 19,266.30-28,899.45-6,119.70

Finding the Fourth Proportional to 19,266.30, 28,899.45 and 6,119.70

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Solution

The fourth proportional to 19,266.30, 28,899.45 and 6,119.70 is: 9,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.30 : 28,899.45 = 6,119.70 : x
  2. Step 2: Convert to fraction form
    19,266.30/28,899.45 = 6,119.70/x
  3. Step 3: Cross multiply
    19,266.30x = 28,899.45 × 6,119.70
  4. Step 4: Simplify right side
    19,266.30x = 176,855,964.17
  5. Step 5: Solve for x
    x = 176,855,964.17/19,266.30
  6. Step 6: Final answer
    x = 9,179.55

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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.