Home / 13,892.30-20,838.45-5,573.60

Finding the Fourth Proportional to 13,892.30, 20,838.45 and 5,573.60

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Solution

The fourth proportional to 13,892.30, 20,838.45 and 5,573.60 is: 8,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.30 : 20,838.45 = 5,573.60 : x
  2. Step 2: Convert to fraction form
    13,892.30/20,838.45 = 5,573.60/x
  3. Step 3: Cross multiply
    13,892.30x = 20,838.45 × 5,573.60
  4. Step 4: Simplify right side
    13,892.30x = 116,145,184.92
  5. Step 5: Solve for x
    x = 116,145,184.92/13,892.30
  6. Step 6: Final answer
    x = 8,360.40

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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.