Home / 10,628.37-15,993.27-8,767.80

Finding the Fourth Proportional to 10,628.37, 15,993.27 and 8,767.80

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Solution

The fourth proportional to 10,628.37, 15,993.27 and 8,767.80 is: 13,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.37 : 15,993.27 = 8,767.80 : x
  2. Step 2: Convert to fraction form
    10,628.37/15,993.27 = 8,767.80/x
  3. Step 3: Cross multiply
    10,628.37x = 15,993.27 × 8,767.80
  4. Step 4: Simplify right side
    10,628.37x = 140,225,792.71
  5. Step 5: Solve for x
    x = 140,225,792.71/10,628.37
  6. Step 6: Final answer
    x = 13,193.54

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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.