Home / 13,571.51-20,350.58-6,453.77

Finding the Fourth Proportional to 13,571.51, 20,350.58 and 6,453.77

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Solution

The fourth proportional to 13,571.51, 20,350.58 and 6,453.77 is: 9,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.51 : 20,350.58 = 6,453.77 : x
  2. Step 2: Convert to fraction form
    13,571.51/20,350.58 = 6,453.77/x
  3. Step 3: Cross multiply
    13,571.51x = 20,350.58 × 6,453.77
  4. Step 4: Simplify right side
    13,571.51x = 131,337,962.69
  5. Step 5: Solve for x
    x = 131,337,962.69/13,571.51
  6. Step 6: Final answer
    x = 9,677.48

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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.