Home / 17,994.86-27,001.41-12,139.17

Finding the Fourth Proportional to 17,994.86, 27,001.41 and 12,139.17

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Solution

The fourth proportional to 17,994.86, 27,001.41 and 12,139.17 is: 18,214.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,994.86 : 27,001.41 = 12,139.17 : x
  2. Step 2: Convert to fraction form
    17,994.86/27,001.41 = 12,139.17/x
  3. Step 3: Cross multiply
    17,994.86x = 27,001.41 × 12,139.17
  4. Step 4: Simplify right side
    17,994.86x = 327,774,779.62
  5. Step 5: Solve for x
    x = 327,774,779.62/17,994.86
  6. Step 6: Final answer
    x = 18,214.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.