Home / 13,433.81-20,150.75-4,668.80

Finding the Fourth Proportional to 13,433.81, 20,150.75 and 4,668.80

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Solution

The fourth proportional to 13,433.81, 20,150.75 and 4,668.80 is: 7,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.81 : 20,150.75 = 4,668.80 : x
  2. Step 2: Convert to fraction form
    13,433.81/20,150.75 = 4,668.80/x
  3. Step 3: Cross multiply
    13,433.81x = 20,150.75 × 4,668.80
  4. Step 4: Simplify right side
    13,433.81x = 94,079,732.52
  5. Step 5: Solve for x
    x = 94,079,732.52/13,433.81
  6. Step 6: Final answer
    x = 7,003.21

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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.