Home / 13,280.12-19,917.46-4,958.60

Finding the Fourth Proportional to 13,280.12, 19,917.46 and 4,958.60

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Solution

The fourth proportional to 13,280.12, 19,917.46 and 4,958.60 is: 7,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.12 : 19,917.46 = 4,958.60 : x
  2. Step 2: Convert to fraction form
    13,280.12/19,917.46 = 4,958.60/x
  3. Step 3: Cross multiply
    13,280.12x = 19,917.46 × 4,958.60
  4. Step 4: Simplify right side
    13,280.12x = 98,762,717.16
  5. Step 5: Solve for x
    x = 98,762,717.16/13,280.12
  6. Step 6: Final answer
    x = 7,436.88

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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.