Home / 9,640.28-14,465.12-4,378.73

Finding the Fourth Proportional to 9,640.28, 14,465.12 and 4,378.73

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Solution

The fourth proportional to 9,640.28, 14,465.12 and 4,378.73 is: 6,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640.28 : 14,465.12 = 4,378.73 : x
  2. Step 2: Convert to fraction form
    9,640.28/14,465.12 = 4,378.73/x
  3. Step 3: Cross multiply
    9,640.28x = 14,465.12 × 4,378.73
  4. Step 4: Simplify right side
    9,640.28x = 63,338,760.68
  5. Step 5: Solve for x
    x = 63,338,760.68/9,640.28
  6. Step 6: Final answer
    x = 6,570.22

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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.