Home / 10,125.76-15,190.48-4,581.72

Finding the Fourth Proportional to 10,125.76, 15,190.48 and 4,581.72

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Solution

The fourth proportional to 10,125.76, 15,190.48 and 4,581.72 is: 6,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.76 : 15,190.48 = 4,581.72 : x
  2. Step 2: Convert to fraction form
    10,125.76/15,190.48 = 4,581.72/x
  3. Step 3: Cross multiply
    10,125.76x = 15,190.48 × 4,581.72
  4. Step 4: Simplify right side
    10,125.76x = 69,598,526.03
  5. Step 5: Solve for x
    x = 69,598,526.03/10,125.76
  6. Step 6: Final answer
    x = 6,873.41

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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.