Home / 13,523.28-20,284.70-4,644.78

Finding the Fourth Proportional to 13,523.28, 20,284.70 and 4,644.78

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Solution

The fourth proportional to 13,523.28, 20,284.70 and 4,644.78 is: 6,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.28 : 20,284.70 = 4,644.78 : x
  2. Step 2: Convert to fraction form
    13,523.28/20,284.70 = 4,644.78/x
  3. Step 3: Cross multiply
    13,523.28x = 20,284.70 × 4,644.78
  4. Step 4: Simplify right side
    13,523.28x = 94,217,945.64
  5. Step 5: Solve for x
    x = 94,217,945.64/13,523.28
  6. Step 6: Final answer
    x = 6,967.09

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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.