Home / 19,647.88-27,115.97-12,098.63

Finding the Fourth Proportional to 19,647.88, 27,115.97 and 12,098.63

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Solution

The fourth proportional to 19,647.88, 27,115.97 and 12,098.63 is: 16,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.88 : 27,115.97 = 12,098.63 : x
  2. Step 2: Convert to fraction form
    19,647.88/27,115.97 = 12,098.63/x
  3. Step 3: Cross multiply
    19,647.88x = 27,115.97 × 12,098.63
  4. Step 4: Simplify right side
    19,647.88x = 328,066,095.42
  5. Step 5: Solve for x
    x = 328,066,095.42/19,647.88
  6. Step 6: Final answer
    x = 16,697.28

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1.5x scale

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.