Home / 10,529.81-15,766.21-6,571.60

Finding the Fourth Proportional to 10,529.81, 15,766.21 and 6,571.60

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Solution

The fourth proportional to 10,529.81, 15,766.21 and 6,571.60 is: 9,839.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.81 : 15,766.21 = 6,571.60 : x
  2. Step 2: Convert to fraction form
    10,529.81/15,766.21 = 6,571.60/x
  3. Step 3: Cross multiply
    10,529.81x = 15,766.21 × 6,571.60
  4. Step 4: Simplify right side
    10,529.81x = 103,609,194.43
  5. Step 5: Solve for x
    x = 103,609,194.43/10,529.81
  6. Step 6: Final answer
    x = 9,839.61

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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.