Home / 19,621.84-29,416.34-9,099.37

Finding the Fourth Proportional to 19,621.84, 29,416.34 and 9,099.37

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Solution

The fourth proportional to 19,621.84, 29,416.34 and 9,099.37 is: 13,641.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.84 : 29,416.34 = 9,099.37 : x
  2. Step 2: Convert to fraction form
    19,621.84/29,416.34 = 9,099.37/x
  3. Step 3: Cross multiply
    19,621.84x = 29,416.34 × 9,099.37
  4. Step 4: Simplify right side
    19,621.84x = 267,670,170.04
  5. Step 5: Solve for x
    x = 267,670,170.04/19,621.84
  6. Step 6: Final answer
    x = 13,641.44

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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.