Home / 12,789.36-19,197-9,095.76

Finding the Fourth Proportional to 12,789.36, 19,197 and 9,095.76

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Solution

The fourth proportional to 12,789.36, 19,197 and 9,095.76 is: 13,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789.36 : 19,197 = 9,095.76 : x
  2. Step 2: Convert to fraction form
    12,789.36/19,197 = 9,095.76/x
  3. Step 3: Cross multiply
    12,789.36x = 19,197 × 9,095.76
  4. Step 4: Simplify right side
    12,789.36x = 174,611,304.72
  5. Step 5: Solve for x
    x = 174,611,304.72/12,789.36
  6. Step 6: Final answer
    x = 13,652.86

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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.