Home / 14,728.31-20,325.05-8,013.92

Finding the Fourth Proportional to 14,728.31, 20,325.05 and 8,013.92

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Solution

The fourth proportional to 14,728.31, 20,325.05 and 8,013.92 is: 11,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.31 : 20,325.05 = 8,013.92 : x
  2. Step 2: Convert to fraction form
    14,728.31/20,325.05 = 8,013.92/x
  3. Step 3: Cross multiply
    14,728.31x = 20,325.05 × 8,013.92
  4. Step 4: Simplify right side
    14,728.31x = 162,883,183.00
  5. Step 5: Solve for x
    x = 162,883,183.00/14,728.31
  6. Step 6: Final answer
    x = 11,059.19

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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.