Home / 13,022.40-19,504.80-11,563.20

Finding the Fourth Proportional to 13,022.40, 19,504.80 and 11,563.20

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Solution

The fourth proportional to 13,022.40, 19,504.80 and 11,563.20 is: 17,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.40 : 19,504.80 = 11,563.20 : x
  2. Step 2: Convert to fraction form
    13,022.40/19,504.80 = 11,563.20/x
  3. Step 3: Cross multiply
    13,022.40x = 19,504.80 × 11,563.20
  4. Step 4: Simplify right side
    13,022.40x = 225,537,903.36
  5. Step 5: Solve for x
    x = 225,537,903.36/13,022.40
  6. Step 6: Final answer
    x = 17,319.23

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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.