Home / 19,006.50-26,229.78-10,623

Finding the Fourth Proportional to 19,006.50, 26,229.78 and 10,623

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Solution

The fourth proportional to 19,006.50, 26,229.78 and 10,623 is: 14,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.50 : 26,229.78 = 10,623 : x
  2. Step 2: Convert to fraction form
    19,006.50/26,229.78 = 10,623/x
  3. Step 3: Cross multiply
    19,006.50x = 26,229.78 × 10,623
  4. Step 4: Simplify right side
    19,006.50x = 278,638,952.94
  5. Step 5: Solve for x
    x = 278,638,952.94/19,006.50
  6. Step 6: Final answer
    x = 14,660.19

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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.