Home / 13,472.64-20,206.08-4,236.48

Finding the Fourth Proportional to 13,472.64, 20,206.08 and 4,236.48

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Solution

The fourth proportional to 13,472.64, 20,206.08 and 4,236.48 is: 6,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.64 : 20,206.08 = 4,236.48 : x
  2. Step 2: Convert to fraction form
    13,472.64/20,206.08 = 4,236.48/x
  3. Step 3: Cross multiply
    13,472.64x = 20,206.08 × 4,236.48
  4. Step 4: Simplify right side
    13,472.64x = 85,602,653.80
  5. Step 5: Solve for x
    x = 85,602,653.80/13,472.64
  6. Step 6: Final answer
    x = 6,353.81

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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.