Home / 22,020.04-30,383.40-13,075.48

Finding the Fourth Proportional to 22,020.04, 30,383.40 and 13,075.48

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Solution

The fourth proportional to 22,020.04, 30,383.40 and 13,075.48 is: 18,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.04 : 30,383.40 = 13,075.48 : x
  2. Step 2: Convert to fraction form
    22,020.04/30,383.40 = 13,075.48/x
  3. Step 3: Cross multiply
    22,020.04x = 30,383.40 × 13,075.48
  4. Step 4: Simplify right side
    22,020.04x = 397,277,539.03
  5. Step 5: Solve for x
    x = 397,277,539.03/22,020.04
  6. Step 6: Final answer
    x = 18,041.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.