Home / 13,626.63-18,804.57-7,659.30

Finding the Fourth Proportional to 13,626.63, 18,804.57 and 7,659.30

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Solution

The fourth proportional to 13,626.63, 18,804.57 and 7,659.30 is: 10,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.63 : 18,804.57 = 7,659.30 : x
  2. Step 2: Convert to fraction form
    13,626.63/18,804.57 = 7,659.30/x
  3. Step 3: Cross multiply
    13,626.63x = 18,804.57 × 7,659.30
  4. Step 4: Simplify right side
    13,626.63x = 144,029,843.00
  5. Step 5: Solve for x
    x = 144,029,843.00/13,626.63
  6. Step 6: Final answer
    x = 10,569.73

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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.