Home / 13,047.90-19,572.06-3,187.35

Finding the Fourth Proportional to 13,047.90, 19,572.06 and 3,187.35

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Solution

The fourth proportional to 13,047.90, 19,572.06 and 3,187.35 is: 4,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.90 : 19,572.06 = 3,187.35 : x
  2. Step 2: Convert to fraction form
    13,047.90/19,572.06 = 3,187.35/x
  3. Step 3: Cross multiply
    13,047.90x = 19,572.06 × 3,187.35
  4. Step 4: Simplify right side
    13,047.90x = 62,383,005.44
  5. Step 5: Solve for x
    x = 62,383,005.44/13,047.90
  6. Step 6: Final answer
    x = 4,781.08

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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.