Home / 19,714.23-27,199.13-13,003.20

Finding the Fourth Proportional to 19,714.23, 27,199.13 and 13,003.20

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Solution

The fourth proportional to 19,714.23, 27,199.13 and 13,003.20 is: 17,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.23 : 27,199.13 = 13,003.20 : x
  2. Step 2: Convert to fraction form
    19,714.23/27,199.13 = 13,003.20/x
  3. Step 3: Cross multiply
    19,714.23x = 27,199.13 × 13,003.20
  4. Step 4: Simplify right side
    19,714.23x = 353,675,662.20
  5. Step 5: Solve for x
    x = 353,675,662.20/19,714.23
  6. Step 6: Final answer
    x = 17,940.12

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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.