Home / 13,596.30-18,763.79-7,628.36

Finding the Fourth Proportional to 13,596.30, 18,763.79 and 7,628.36

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Solution

The fourth proportional to 13,596.30, 18,763.79 and 7,628.36 is: 10,527.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.30 : 18,763.79 = 7,628.36 : x
  2. Step 2: Convert to fraction form
    13,596.30/18,763.79 = 7,628.36/x
  3. Step 3: Cross multiply
    13,596.30x = 18,763.79 × 7,628.36
  4. Step 4: Simplify right side
    13,596.30x = 143,136,945.08
  5. Step 5: Solve for x
    x = 143,136,945.08/13,596.30
  6. Step 6: Final answer
    x = 10,527.64

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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.