Home / 19,649.71-27,120.33-11,152.62

Finding the Fourth Proportional to 19,649.71, 27,120.33 and 11,152.62

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Solution

The fourth proportional to 19,649.71, 27,120.33 and 11,152.62 is: 15,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.71 : 27,120.33 = 11,152.62 : x
  2. Step 2: Convert to fraction form
    19,649.71/27,120.33 = 11,152.62/x
  3. Step 3: Cross multiply
    19,649.71x = 27,120.33 × 11,152.62
  4. Step 4: Simplify right side
    19,649.71x = 302,462,734.76
  5. Step 5: Solve for x
    x = 302,462,734.76/19,649.71
  6. Step 6: Final answer
    x = 15,392.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.