Home / 14,330.28-21,491.64-5,571.48

Finding the Fourth Proportional to 14,330.28, 21,491.64 and 5,571.48

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Solution

The fourth proportional to 14,330.28, 21,491.64 and 5,571.48 is: 8,355.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.28 : 21,491.64 = 5,571.48 : x
  2. Step 2: Convert to fraction form
    14,330.28/21,491.64 = 5,571.48/x
  3. Step 3: Cross multiply
    14,330.28x = 21,491.64 × 5,571.48
  4. Step 4: Simplify right side
    14,330.28x = 119,740,242.43
  5. Step 5: Solve for x
    x = 119,740,242.43/14,330.28
  6. Step 6: Final answer
    x = 8,355.75

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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.