Home / 19,007.69-26,239.98-11,938.01

Finding the Fourth Proportional to 19,007.69, 26,239.98 and 11,938.01

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Solution

The fourth proportional to 19,007.69, 26,239.98 and 11,938.01 is: 16,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007.69 : 26,239.98 = 11,938.01 : x
  2. Step 2: Convert to fraction form
    19,007.69/26,239.98 = 11,938.01/x
  3. Step 3: Cross multiply
    19,007.69x = 26,239.98 × 11,938.01
  4. Step 4: Simplify right side
    19,007.69x = 313,253,143.64
  5. Step 5: Solve for x
    x = 313,253,143.64/19,007.69
  6. Step 6: Final answer
    x = 16,480.34

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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.