Home / 10,243.69-15,354.58-7,313.11

Finding the Fourth Proportional to 10,243.69, 15,354.58 and 7,313.11

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Solution

The fourth proportional to 10,243.69, 15,354.58 and 7,313.11 is: 10,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.69 : 15,354.58 = 7,313.11 : x
  2. Step 2: Convert to fraction form
    10,243.69/15,354.58 = 7,313.11/x
  3. Step 3: Cross multiply
    10,243.69x = 15,354.58 × 7,313.11
  4. Step 4: Simplify right side
    10,243.69x = 112,289,732.54
  5. Step 5: Solve for x
    x = 112,289,732.54/10,243.69
  6. Step 6: Final answer
    x = 10,961.84

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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.