Home / 13,965.84-20,955.58-6,571.03

Finding the Fourth Proportional to 13,965.84, 20,955.58 and 6,571.03

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Solution

The fourth proportional to 13,965.84, 20,955.58 and 6,571.03 is: 9,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.84 : 20,955.58 = 6,571.03 : x
  2. Step 2: Convert to fraction form
    13,965.84/20,955.58 = 6,571.03/x
  3. Step 3: Cross multiply
    13,965.84x = 20,955.58 × 6,571.03
  4. Step 4: Simplify right side
    13,965.84x = 137,699,753.06
  5. Step 5: Solve for x
    x = 137,699,753.06/13,965.84
  6. Step 6: Final answer
    x = 9,859.76

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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.