Home / 14,505.48-20,022.12-8,222.04

Finding the Fourth Proportional to 14,505.48, 20,022.12 and 8,222.04

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Solution

The fourth proportional to 14,505.48, 20,022.12 and 8,222.04 is: 11,349.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.48 : 20,022.12 = 8,222.04 : x
  2. Step 2: Convert to fraction form
    14,505.48/20,022.12 = 8,222.04/x
  3. Step 3: Cross multiply
    14,505.48x = 20,022.12 × 8,222.04
  4. Step 4: Simplify right side
    14,505.48x = 164,622,671.52
  5. Step 5: Solve for x
    x = 164,622,671.52/14,505.48
  6. Step 6: Final answer
    x = 11,349.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.