Home / 19,895.52-29,844.09-8,207.63

Finding the Fourth Proportional to 19,895.52, 29,844.09 and 8,207.63

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Solution

The fourth proportional to 19,895.52, 29,844.09 and 8,207.63 is: 12,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.52 : 29,844.09 = 8,207.63 : x
  2. Step 2: Convert to fraction form
    19,895.52/29,844.09 = 8,207.63/x
  3. Step 3: Cross multiply
    19,895.52x = 29,844.09 × 8,207.63
  4. Step 4: Simplify right side
    19,895.52x = 244,949,099.19
  5. Step 5: Solve for x
    x = 244,949,099.19/19,895.52
  6. Step 6: Final answer
    x = 12,311.77

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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.