Home / 11,345.40-17,010.81-4,769.82

Finding the Fourth Proportional to 11,345.40, 17,010.81 and 4,769.82

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Solution

The fourth proportional to 11,345.40, 17,010.81 and 4,769.82 is: 7,151.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.40 : 17,010.81 = 4,769.82 : x
  2. Step 2: Convert to fraction form
    11,345.40/17,010.81 = 4,769.82/x
  3. Step 3: Cross multiply
    11,345.40x = 17,010.81 × 4,769.82
  4. Step 4: Simplify right side
    11,345.40x = 81,138,501.75
  5. Step 5: Solve for x
    x = 81,138,501.75/11,345.40
  6. Step 6: Final answer
    x = 7,151.67

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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.