Home / 19,362.20-26,723.50-12,653.57

Finding the Fourth Proportional to 19,362.20, 26,723.50 and 12,653.57

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Solution

The fourth proportional to 19,362.20, 26,723.50 and 12,653.57 is: 17,464.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.20 : 26,723.50 = 12,653.57 : x
  2. Step 2: Convert to fraction form
    19,362.20/26,723.50 = 12,653.57/x
  3. Step 3: Cross multiply
    19,362.20x = 26,723.50 × 12,653.57
  4. Step 4: Simplify right side
    19,362.20x = 338,147,713.07
  5. Step 5: Solve for x
    x = 338,147,713.07/19,362.20
  6. Step 6: Final answer
    x = 17,464.33

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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.