Home / 19,149.34-26,415.31-11,490.64

Finding the Fourth Proportional to 19,149.34, 26,415.31 and 11,490.64

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Solution

The fourth proportional to 19,149.34, 26,415.31 and 11,490.64 is: 15,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.34 : 26,415.31 = 11,490.64 : x
  2. Step 2: Convert to fraction form
    19,149.34/26,415.31 = 11,490.64/x
  3. Step 3: Cross multiply
    19,149.34x = 26,415.31 × 11,490.64
  4. Step 4: Simplify right side
    19,149.34x = 303,528,718.64
  5. Step 5: Solve for x
    x = 303,528,718.64/19,149.34
  6. Step 6: Final answer
    x = 15,850.61

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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.