Home / 13,784.60-20,682.30-5,463.20

Finding the Fourth Proportional to 13,784.60, 20,682.30 and 5,463.20

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Solution

The fourth proportional to 13,784.60, 20,682.30 and 5,463.20 is: 8,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.60 : 20,682.30 = 5,463.20 : x
  2. Step 2: Convert to fraction form
    13,784.60/20,682.30 = 5,463.20/x
  3. Step 3: Cross multiply
    13,784.60x = 20,682.30 × 5,463.20
  4. Step 4: Simplify right side
    13,784.60x = 112,991,541.36
  5. Step 5: Solve for x
    x = 112,991,541.36/13,784.60
  6. Step 6: Final answer
    x = 8,196.94

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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.