Home / 13,232.80-19,821.60-6,218.80

Finding the Fourth Proportional to 13,232.80, 19,821.60 and 6,218.80

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Solution

The fourth proportional to 13,232.80, 19,821.60 and 6,218.80 is: 9,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.80 : 19,821.60 = 6,218.80 : x
  2. Step 2: Convert to fraction form
    13,232.80/19,821.60 = 6,218.80/x
  3. Step 3: Cross multiply
    13,232.80x = 19,821.60 × 6,218.80
  4. Step 4: Simplify right side
    13,232.80x = 123,266,566.08
  5. Step 5: Solve for x
    x = 123,266,566.08/13,232.80
  6. Step 6: Final answer
    x = 9,315.23

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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.