Home / 19,686.98-27,167.64-10,734.53

Finding the Fourth Proportional to 19,686.98, 27,167.64 and 10,734.53

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Solution

The fourth proportional to 19,686.98, 27,167.64 and 10,734.53 is: 14,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.98 : 27,167.64 = 10,734.53 : x
  2. Step 2: Convert to fraction form
    19,686.98/27,167.64 = 10,734.53/x
  3. Step 3: Cross multiply
    19,686.98x = 27,167.64 × 10,734.53
  4. Step 4: Simplify right side
    19,686.98x = 291,631,846.61
  5. Step 5: Solve for x
    x = 291,631,846.61/19,686.98
  6. Step 6: Final answer
    x = 14,813.44

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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.