Home / 13,156.58-19,712.99-9,252.78

Finding the Fourth Proportional to 13,156.58, 19,712.99 and 9,252.78

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Solution

The fourth proportional to 13,156.58, 19,712.99 and 9,252.78 is: 13,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.58 : 19,712.99 = 9,252.78 : x
  2. Step 2: Convert to fraction form
    13,156.58/19,712.99 = 9,252.78/x
  3. Step 3: Cross multiply
    13,156.58x = 19,712.99 × 9,252.78
  4. Step 4: Simplify right side
    13,156.58x = 182,399,913.35
  5. Step 5: Solve for x
    x = 182,399,913.35/13,156.58
  6. Step 6: Final answer
    x = 13,863.78

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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.