Home / 13,917.16-20,873.72-4,557.55

Finding the Fourth Proportional to 13,917.16, 20,873.72 and 4,557.55

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Solution

The fourth proportional to 13,917.16, 20,873.72 and 4,557.55 is: 6,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.16 : 20,873.72 = 4,557.55 : x
  2. Step 2: Convert to fraction form
    13,917.16/20,873.72 = 4,557.55/x
  3. Step 3: Cross multiply
    13,917.16x = 20,873.72 × 4,557.55
  4. Step 4: Simplify right side
    13,917.16x = 95,133,022.59
  5. Step 5: Solve for x
    x = 95,133,022.59/13,917.16
  6. Step 6: Final answer
    x = 6,835.66

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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.