Home / 10,300.05-15,450.07-4,751.75

Finding the Fourth Proportional to 10,300.05, 15,450.07 and 4,751.75

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Solution

The fourth proportional to 10,300.05, 15,450.07 and 4,751.75 is: 7,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.05 : 15,450.07 = 4,751.75 : x
  2. Step 2: Convert to fraction form
    10,300.05/15,450.07 = 4,751.75/x
  3. Step 3: Cross multiply
    10,300.05x = 15,450.07 × 4,751.75
  4. Step 4: Simplify right side
    10,300.05x = 73,414,769.11
  5. Step 5: Solve for x
    x = 73,414,769.11/10,300.05
  6. Step 6: Final answer
    x = 7,127.62

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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.