Home / 10,380.73-15,571.06-4,453.77

Finding the Fourth Proportional to 10,380.73, 15,571.06 and 4,453.77

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Solution

The fourth proportional to 10,380.73, 15,571.06 and 4,453.77 is: 6,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.73 : 15,571.06 = 4,453.77 : x
  2. Step 2: Convert to fraction form
    10,380.73/15,571.06 = 4,453.77/x
  3. Step 3: Cross multiply
    10,380.73x = 15,571.06 × 4,453.77
  4. Step 4: Simplify right side
    10,380.73x = 69,349,908.76
  5. Step 5: Solve for x
    x = 69,349,908.76/10,380.73
  6. Step 6: Final answer
    x = 6,680.64

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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.