Home / 10,300.38-15,450.57-2,509.17

Finding the Fourth Proportional to 10,300.38, 15,450.57 and 2,509.17

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Solution

The fourth proportional to 10,300.38, 15,450.57 and 2,509.17 is: 3,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.38 : 15,450.57 = 2,509.17 : x
  2. Step 2: Convert to fraction form
    10,300.38/15,450.57 = 2,509.17/x
  3. Step 3: Cross multiply
    10,300.38x = 15,450.57 × 2,509.17
  4. Step 4: Simplify right side
    10,300.38x = 38,768,106.73
  5. Step 5: Solve for x
    x = 38,768,106.73/10,300.38
  6. Step 6: Final answer
    x = 3,763.76

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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.