Home / 13,970.51-20,948.77-4,481.56

Finding the Fourth Proportional to 13,970.51, 20,948.77 and 4,481.56

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Solution

The fourth proportional to 13,970.51, 20,948.77 and 4,481.56 is: 6,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.51 : 20,948.77 = 4,481.56 : x
  2. Step 2: Convert to fraction form
    13,970.51/20,948.77 = 4,481.56/x
  3. Step 3: Cross multiply
    13,970.51x = 20,948.77 × 4,481.56
  4. Step 4: Simplify right side
    13,970.51x = 93,883,042.53
  5. Step 5: Solve for x
    x = 93,883,042.53/13,970.51
  6. Step 6: Final answer
    x = 6,720.09

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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.