Home / 13,348.43-20,021.93-6,774.45

Finding the Fourth Proportional to 13,348.43, 20,021.93 and 6,774.45

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Solution

The fourth proportional to 13,348.43, 20,021.93 and 6,774.45 is: 10,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.43 : 20,021.93 = 6,774.45 : x
  2. Step 2: Convert to fraction form
    13,348.43/20,021.93 = 6,774.45/x
  3. Step 3: Cross multiply
    13,348.43x = 20,021.93 × 6,774.45
  4. Step 4: Simplify right side
    13,348.43x = 135,637,480.14
  5. Step 5: Solve for x
    x = 135,637,480.14/13,348.43
  6. Step 6: Final answer
    x = 10,161.31

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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.