Home / 11,619-17,437.77-4,225.59

Finding the Fourth Proportional to 11,619, 17,437.77 and 4,225.59

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Solution

The fourth proportional to 11,619, 17,437.77 and 4,225.59 is: 6,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619 : 17,437.77 = 4,225.59 : x
  2. Step 2: Convert to fraction form
    11,619/17,437.77 = 4,225.59/x
  3. Step 3: Cross multiply
    11,619x = 17,437.77 × 4,225.59
  4. Step 4: Simplify right side
    11,619x = 73,684,866.53
  5. Step 5: Solve for x
    x = 73,684,866.53/11,619
  6. Step 6: Final answer
    x = 6,341.76

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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.