Home / 13,078.26-19,590.05-9,751.29

Finding the Fourth Proportional to 13,078.26, 19,590.05 and 9,751.29

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Solution

The fourth proportional to 13,078.26, 19,590.05 and 9,751.29 is: 14,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078.26 : 19,590.05 = 9,751.29 : x
  2. Step 2: Convert to fraction form
    13,078.26/19,590.05 = 9,751.29/x
  3. Step 3: Cross multiply
    13,078.26x = 19,590.05 × 9,751.29
  4. Step 4: Simplify right side
    13,078.26x = 191,028,209.58
  5. Step 5: Solve for x
    x = 191,028,209.58/13,078.26
  6. Step 6: Final answer
    x = 14,606.55

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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.