Home / 19,529.37-29,292.84-8,428.25

Finding the Fourth Proportional to 19,529.37, 29,292.84 and 8,428.25

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Solution

The fourth proportional to 19,529.37, 29,292.84 and 8,428.25 is: 12,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.37 : 29,292.84 = 8,428.25 : x
  2. Step 2: Convert to fraction form
    19,529.37/29,292.84 = 8,428.25/x
  3. Step 3: Cross multiply
    19,529.37x = 29,292.84 × 8,428.25
  4. Step 4: Simplify right side
    19,529.37x = 246,887,451.96
  5. Step 5: Solve for x
    x = 246,887,451.96/19,529.37
  6. Step 6: Final answer
    x = 12,641.85

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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.