Home / 13,596.87-18,763.60-7,628.53

Finding the Fourth Proportional to 13,596.87, 18,763.60 and 7,628.53

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Solution

The fourth proportional to 13,596.87, 18,763.60 and 7,628.53 is: 10,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.87 : 18,763.60 = 7,628.53 : x
  2. Step 2: Convert to fraction form
    13,596.87/18,763.60 = 7,628.53/x
  3. Step 3: Cross multiply
    13,596.87x = 18,763.60 × 7,628.53
  4. Step 4: Simplify right side
    13,596.87x = 143,138,685.51
  5. Step 5: Solve for x
    x = 143,138,685.51/13,596.87
  6. Step 6: Final answer
    x = 10,527.33

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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.