Home / 19,395.21-29,091.20-7,705.29

Finding the Fourth Proportional to 19,395.21, 29,091.20 and 7,705.29

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Solution

The fourth proportional to 19,395.21, 29,091.20 and 7,705.29 is: 11,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.21 : 29,091.20 = 7,705.29 : x
  2. Step 2: Convert to fraction form
    19,395.21/29,091.20 = 7,705.29/x
  3. Step 3: Cross multiply
    19,395.21x = 29,091.20 × 7,705.29
  4. Step 4: Simplify right side
    19,395.21x = 224,156,093.92
  5. Step 5: Solve for x
    x = 224,156,093.92/19,395.21
  6. Step 6: Final answer
    x = 11,557.29

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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.