Home / 13,483.26-18,606.39-7,818.25

Finding the Fourth Proportional to 13,483.26, 18,606.39 and 7,818.25

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Solution

The fourth proportional to 13,483.26, 18,606.39 and 7,818.25 is: 10,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.26 : 18,606.39 = 7,818.25 : x
  2. Step 2: Convert to fraction form
    13,483.26/18,606.39 = 7,818.25/x
  3. Step 3: Cross multiply
    13,483.26x = 18,606.39 × 7,818.25
  4. Step 4: Simplify right side
    13,483.26x = 145,469,305.81
  5. Step 5: Solve for x
    x = 145,469,305.81/13,483.26
  6. Step 6: Final answer
    x = 10,788.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.