Home / 12,763.22-19,140.57-5,366.30

Finding the Fourth Proportional to 12,763.22, 19,140.57 and 5,366.30

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Solution

The fourth proportional to 12,763.22, 19,140.57 and 5,366.30 is: 8,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763.22 : 19,140.57 = 5,366.30 : x
  2. Step 2: Convert to fraction form
    12,763.22/19,140.57 = 5,366.30/x
  3. Step 3: Cross multiply
    12,763.22x = 19,140.57 × 5,366.30
  4. Step 4: Simplify right side
    12,763.22x = 102,713,945.09
  5. Step 5: Solve for x
    x = 102,713,945.09/12,763.22
  6. Step 6: Final answer
    x = 8,047.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.