Home / 13,824.06-20,739.72-7,248.48

Finding the Fourth Proportional to 13,824.06, 20,739.72 and 7,248.48

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Solution

The fourth proportional to 13,824.06, 20,739.72 and 7,248.48 is: 10,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.06 : 20,739.72 = 7,248.48 : x
  2. Step 2: Convert to fraction form
    13,824.06/20,739.72 = 7,248.48/x
  3. Step 3: Cross multiply
    13,824.06x = 20,739.72 × 7,248.48
  4. Step 4: Simplify right side
    13,824.06x = 150,331,445.63
  5. Step 5: Solve for x
    x = 150,331,445.63/13,824.06
  6. Step 6: Final answer
    x = 10,874.62

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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.