Home / 13,887.90-20,836.71-4,027.77

Finding the Fourth Proportional to 13,887.90, 20,836.71 and 4,027.77

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Solution

The fourth proportional to 13,887.90, 20,836.71 and 4,027.77 is: 6,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.90 : 20,836.71 = 4,027.77 : x
  2. Step 2: Convert to fraction form
    13,887.90/20,836.71 = 4,027.77/x
  3. Step 3: Cross multiply
    13,887.90x = 20,836.71 × 4,027.77
  4. Step 4: Simplify right side
    13,887.90x = 83,925,475.44
  5. Step 5: Solve for x
    x = 83,925,475.44/13,887.90
  6. Step 6: Final answer
    x = 6,043.06

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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.