Home / 19,714.50-27,215.77-12,165.00

Finding the Fourth Proportional to 19,714.50, 27,215.77 and 12,165.00

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Solution

The fourth proportional to 19,714.50, 27,215.77 and 12,165.00 is: 16,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.50 : 27,215.77 = 12,165.00 : x
  2. Step 2: Convert to fraction form
    19,714.50/27,215.77 = 12,165.00/x
  3. Step 3: Cross multiply
    19,714.50x = 27,215.77 × 12,165.00
  4. Step 4: Simplify right side
    19,714.50x = 331,079,736.38
  5. Step 5: Solve for x
    x = 331,079,736.38/19,714.50
  6. Step 6: Final answer
    x = 16,793.72

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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.