Home / 11,618.28-17,417.63-5,039.52

Finding the Fourth Proportional to 11,618.28, 17,417.63 and 5,039.52

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Solution

The fourth proportional to 11,618.28, 17,417.63 and 5,039.52 is: 7,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.28 : 17,417.63 = 5,039.52 : x
  2. Step 2: Convert to fraction form
    11,618.28/17,417.63 = 5,039.52/x
  3. Step 3: Cross multiply
    11,618.28x = 17,417.63 × 5,039.52
  4. Step 4: Simplify right side
    11,618.28x = 87,776,494.74
  5. Step 5: Solve for x
    x = 87,776,494.74/11,618.28
  6. Step 6: Final answer
    x = 7,555.03

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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.