Home / 13,921.02-20,883.78-4,558.32

Finding the Fourth Proportional to 13,921.02, 20,883.78 and 4,558.32

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Solution

The fourth proportional to 13,921.02, 20,883.78 and 4,558.32 is: 6,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921.02 : 20,883.78 = 4,558.32 : x
  2. Step 2: Convert to fraction form
    13,921.02/20,883.78 = 4,558.32/x
  3. Step 3: Cross multiply
    13,921.02x = 20,883.78 × 4,558.32
  4. Step 4: Simplify right side
    13,921.02x = 95,194,952.05
  5. Step 5: Solve for x
    x = 95,194,952.05/13,921.02
  6. Step 6: Final answer
    x = 6,838.22

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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.