Home / 19,410.87-29,099.21-12,823.23

Finding the Fourth Proportional to 19,410.87, 29,099.21 and 12,823.23

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Solution

The fourth proportional to 19,410.87, 29,099.21 and 12,823.23 is: 19,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.87 : 29,099.21 = 12,823.23 : x
  2. Step 2: Convert to fraction form
    19,410.87/29,099.21 = 12,823.23/x
  3. Step 3: Cross multiply
    19,410.87x = 29,099.21 × 12,823.23
  4. Step 4: Simplify right side
    19,410.87x = 373,145,798.53
  5. Step 5: Solve for x
    x = 373,145,798.53/19,410.87
  6. Step 6: Final answer
    x = 19,223.55

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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.