Home / 17,619.48-26,405.40-6,515.76

Finding the Fourth Proportional to 17,619.48, 26,405.40 and 6,515.76

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Solution

The fourth proportional to 17,619.48, 26,405.40 and 6,515.76 is: 9,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.48 : 26,405.40 = 6,515.76 : x
  2. Step 2: Convert to fraction form
    17,619.48/26,405.40 = 6,515.76/x
  3. Step 3: Cross multiply
    17,619.48x = 26,405.40 × 6,515.76
  4. Step 4: Simplify right side
    17,619.48x = 172,051,249.10
  5. Step 5: Solve for x
    x = 172,051,249.10/17,619.48
  6. Step 6: Final answer
    x = 9,764.83

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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.