Home / 19,998.84-30,004.74-6,851.33

Finding the Fourth Proportional to 19,998.84, 30,004.74 and 6,851.33

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Solution

The fourth proportional to 19,998.84, 30,004.74 and 6,851.33 is: 10,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.84 : 30,004.74 = 6,851.33 : x
  2. Step 2: Convert to fraction form
    19,998.84/30,004.74 = 6,851.33/x
  3. Step 3: Cross multiply
    19,998.84x = 30,004.74 × 6,851.33
  4. Step 4: Simplify right side
    19,998.84x = 205,572,225.28
  5. Step 5: Solve for x
    x = 205,572,225.28/19,998.84
  6. Step 6: Final answer
    x = 10,279.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.