Home / 19,218.96-26,522.64-10,836

Finding the Fourth Proportional to 19,218.96, 26,522.64 and 10,836

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Solution

The fourth proportional to 19,218.96, 26,522.64 and 10,836 is: 14,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.96 : 26,522.64 = 10,836 : x
  2. Step 2: Convert to fraction form
    19,218.96/26,522.64 = 10,836/x
  3. Step 3: Cross multiply
    19,218.96x = 26,522.64 × 10,836
  4. Step 4: Simplify right side
    19,218.96x = 287,399,327.04
  5. Step 5: Solve for x
    x = 287,399,327.04/19,218.96
  6. Step 6: Final answer
    x = 14,953.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.