Home / 9,313.78-13,972.40-3,074.23

Finding the Fourth Proportional to 9,313.78, 13,972.40 and 3,074.23

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Solution

The fourth proportional to 9,313.78, 13,972.40 and 3,074.23 is: 4,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.78 : 13,972.40 = 3,074.23 : x
  2. Step 2: Convert to fraction form
    9,313.78/13,972.40 = 3,074.23/x
  3. Step 3: Cross multiply
    9,313.78x = 13,972.40 × 3,074.23
  4. Step 4: Simplify right side
    9,313.78x = 42,954,371.25
  5. Step 5: Solve for x
    x = 42,954,371.25/9,313.78
  6. Step 6: Final answer
    x = 4,611.92

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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.