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Finding the Fourth Proportional to 19,010, 26,233.84 and 10,628.48

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Solution

The fourth proportional to 19,010, 26,233.84 and 10,628.48 is: 14,667.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010 : 26,233.84 = 10,628.48 : x
  2. Step 2: Convert to fraction form
    19,010/26,233.84 = 10,628.48/x
  3. Step 3: Cross multiply
    19,010x = 26,233.84 × 10,628.48
  4. Step 4: Simplify right side
    19,010x = 278,825,843.76
  5. Step 5: Solve for x
    x = 278,825,843.76/19,010
  6. Step 6: Final answer
    x = 14,667.32

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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.