Home / 13,606.13-20,406.45-4,244.63

Finding the Fourth Proportional to 13,606.13, 20,406.45 and 4,244.63

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Solution

The fourth proportional to 13,606.13, 20,406.45 and 4,244.63 is: 6,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.13 : 20,406.45 = 4,244.63 : x
  2. Step 2: Convert to fraction form
    13,606.13/20,406.45 = 4,244.63/x
  3. Step 3: Cross multiply
    13,606.13x = 20,406.45 × 4,244.63
  4. Step 4: Simplify right side
    13,606.13x = 86,617,829.86
  5. Step 5: Solve for x
    x = 86,617,829.86/13,606.13
  6. Step 6: Final answer
    x = 6,366.09

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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.