Home / 17,994.30-26,999.55-6,315.90

Finding the Fourth Proportional to 17,994.30, 26,999.55 and 6,315.90

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Solution

The fourth proportional to 17,994.30, 26,999.55 and 6,315.90 is: 9,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,994.30 : 26,999.55 = 6,315.90 : x
  2. Step 2: Convert to fraction form
    17,994.30/26,999.55 = 6,315.90/x
  3. Step 3: Cross multiply
    17,994.30x = 26,999.55 × 6,315.90
  4. Step 4: Simplify right side
    17,994.30x = 170,526,457.85
  5. Step 5: Solve for x
    x = 170,526,457.85/17,994.30
  6. Step 6: Final answer
    x = 9,476.69

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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.