Home / 19,962.54-29,919.89-8,856.70

Finding the Fourth Proportional to 19,962.54, 29,919.89 and 8,856.70

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Solution

The fourth proportional to 19,962.54, 29,919.89 and 8,856.70 is: 13,274.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.54 : 29,919.89 = 8,856.70 : x
  2. Step 2: Convert to fraction form
    19,962.54/29,919.89 = 8,856.70/x
  3. Step 3: Cross multiply
    19,962.54x = 29,919.89 × 8,856.70
  4. Step 4: Simplify right side
    19,962.54x = 264,991,437.11
  5. Step 5: Solve for x
    x = 264,991,437.11/19,962.54
  6. Step 6: Final answer
    x = 13,274.43

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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.