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Finding the Fourth Proportional to 19,010, 26,233.80 and 10,628.24

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Solution

The fourth proportional to 19,010, 26,233.80 and 10,628.24 is: 14,666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010 : 26,233.80 = 10,628.24 : x
  2. Step 2: Convert to fraction form
    19,010/26,233.80 = 10,628.24/x
  3. Step 3: Cross multiply
    19,010x = 26,233.80 × 10,628.24
  4. Step 4: Simplify right side
    19,010x = 278,819,122.51
  5. Step 5: Solve for x
    x = 278,819,122.51/19,010
  6. Step 6: Final answer
    x = 14,666.97

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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.