Home / 10,128.06-15,194.51-4,581.41

Finding the Fourth Proportional to 10,128.06, 15,194.51 and 4,581.41

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Solution

The fourth proportional to 10,128.06, 15,194.51 and 4,581.41 is: 6,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,128.06 : 15,194.51 = 4,581.41 : x
  2. Step 2: Convert to fraction form
    10,128.06/15,194.51 = 4,581.41/x
  3. Step 3: Cross multiply
    10,128.06x = 15,194.51 × 4,581.41
  4. Step 4: Simplify right side
    10,128.06x = 69,612,181.18
  5. Step 5: Solve for x
    x = 69,612,181.18/10,128.06
  6. Step 6: Final answer
    x = 6,873.20

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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.