Home / 19,006.26-26,218.14-13,338.70

Finding the Fourth Proportional to 19,006.26, 26,218.14 and 13,338.70

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Solution

The fourth proportional to 19,006.26, 26,218.14 and 13,338.70 is: 18,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.26 : 26,218.14 = 13,338.70 : x
  2. Step 2: Convert to fraction form
    19,006.26/26,218.14 = 13,338.70/x
  3. Step 3: Cross multiply
    19,006.26x = 26,218.14 × 13,338.70
  4. Step 4: Simplify right side
    19,006.26x = 349,715,904.02
  5. Step 5: Solve for x
    x = 349,715,904.02/19,006.26
  6. Step 6: Final answer
    x = 18,400.04

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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.