Home / 19,892.64-29,817.60-7,404.96

Finding the Fourth Proportional to 19,892.64, 29,817.60 and 7,404.96

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Solution

The fourth proportional to 19,892.64, 29,817.60 and 7,404.96 is: 11,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.64 : 29,817.60 = 7,404.96 : x
  2. Step 2: Convert to fraction form
    19,892.64/29,817.60 = 7,404.96/x
  3. Step 3: Cross multiply
    19,892.64x = 29,817.60 × 7,404.96
  4. Step 4: Simplify right side
    19,892.64x = 220,798,135.30
  5. Step 5: Solve for x
    x = 220,798,135.30/19,892.64
  6. Step 6: Final answer
    x = 11,099.49

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1.5x scale

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.