Home / 13,596.90-18,763.61-7,628.57

Finding the Fourth Proportional to 13,596.90, 18,763.61 and 7,628.57

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Solution

The fourth proportional to 13,596.90, 18,763.61 and 7,628.57 is: 10,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.90 : 18,763.61 = 7,628.57 : x
  2. Step 2: Convert to fraction form
    13,596.90/18,763.61 = 7,628.57/x
  3. Step 3: Cross multiply
    13,596.90x = 18,763.61 × 7,628.57
  4. Step 4: Simplify right side
    13,596.90x = 143,139,512.34
  5. Step 5: Solve for x
    x = 143,139,512.34/13,596.90
  6. Step 6: Final answer
    x = 10,527.36

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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.