Home / 13,132.90-19,699.31-4,255.66

Finding the Fourth Proportional to 13,132.90, 19,699.31 and 4,255.66

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Solution

The fourth proportional to 13,132.90, 19,699.31 and 4,255.66 is: 6,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.90 : 19,699.31 = 4,255.66 : x
  2. Step 2: Convert to fraction form
    13,132.90/19,699.31 = 4,255.66/x
  3. Step 3: Cross multiply
    13,132.90x = 19,699.31 × 4,255.66
  4. Step 4: Simplify right side
    13,132.90x = 83,833,565.59
  5. Step 5: Solve for x
    x = 83,833,565.59/13,132.90
  6. Step 6: Final answer
    x = 6,383.48

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1.5x scale

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.