Home / 13,001.75-19,496.43-6,420.24

Finding the Fourth Proportional to 13,001.75, 19,496.43 and 6,420.24

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Solution

The fourth proportional to 13,001.75, 19,496.43 and 6,420.24 is: 9,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.75 : 19,496.43 = 6,420.24 : x
  2. Step 2: Convert to fraction form
    13,001.75/19,496.43 = 6,420.24/x
  3. Step 3: Cross multiply
    13,001.75x = 19,496.43 × 6,420.24
  4. Step 4: Simplify right side
    13,001.75x = 125,171,759.74
  5. Step 5: Solve for x
    x = 125,171,759.74/13,001.75
  6. Step 6: Final answer
    x = 9,627.30

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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.