Home / 19,258.10-28,890.24-6,109.47

Finding the Fourth Proportional to 19,258.10, 28,890.24 and 6,109.47

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Solution

The fourth proportional to 19,258.10, 28,890.24 and 6,109.47 is: 9,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.10 : 28,890.24 = 6,109.47 : x
  2. Step 2: Convert to fraction form
    19,258.10/28,890.24 = 6,109.47/x
  3. Step 3: Cross multiply
    19,258.10x = 28,890.24 × 6,109.47
  4. Step 4: Simplify right side
    19,258.10x = 176,504,126.80
  5. Step 5: Solve for x
    x = 176,504,126.80/19,258.10
  6. Step 6: Final answer
    x = 9,165.19

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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.