Home / 18,224.32-27,336.48-5,077.03

Finding the Fourth Proportional to 18,224.32, 27,336.48 and 5,077.03

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Solution

The fourth proportional to 18,224.32, 27,336.48 and 5,077.03 is: 7,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.32 : 27,336.48 = 5,077.03 : x
  2. Step 2: Convert to fraction form
    18,224.32/27,336.48 = 5,077.03/x
  3. Step 3: Cross multiply
    18,224.32x = 27,336.48 × 5,077.03
  4. Step 4: Simplify right side
    18,224.32x = 138,788,129.05
  5. Step 5: Solve for x
    x = 138,788,129.05/18,224.32
  6. Step 6: Final answer
    x = 7,615.55

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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.