Home / 13,889.28-20,835.54-4,528.92

Finding the Fourth Proportional to 13,889.28, 20,835.54 and 4,528.92

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Solution

The fourth proportional to 13,889.28, 20,835.54 and 4,528.92 is: 6,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.28 : 20,835.54 = 4,528.92 : x
  2. Step 2: Convert to fraction form
    13,889.28/20,835.54 = 4,528.92/x
  3. Step 3: Cross multiply
    13,889.28x = 20,835.54 × 4,528.92
  4. Step 4: Simplify right side
    13,889.28x = 94,362,493.82
  5. Step 5: Solve for x
    x = 94,362,493.82/13,889.28
  6. Step 6: Final answer
    x = 6,793.91

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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.