Home / 18,946.41-28,422.09-5,796.51

Finding the Fourth Proportional to 18,946.41, 28,422.09 and 5,796.51

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Solution

The fourth proportional to 18,946.41, 28,422.09 and 5,796.51 is: 8,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.41 : 28,422.09 = 5,796.51 : x
  2. Step 2: Convert to fraction form
    18,946.41/28,422.09 = 5,796.51/x
  3. Step 3: Cross multiply
    18,946.41x = 28,422.09 × 5,796.51
  4. Step 4: Simplify right side
    18,946.41x = 164,748,928.91
  5. Step 5: Solve for x
    x = 164,748,928.91/18,946.41
  6. Step 6: Final answer
    x = 8,695.52

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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.