Home / 9,020.40-13,533.84-4,086.36

Finding the Fourth Proportional to 9,020.40, 13,533.84 and 4,086.36

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Solution

The fourth proportional to 9,020.40, 13,533.84 and 4,086.36 is: 6,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.40 : 13,533.84 = 4,086.36 : x
  2. Step 2: Convert to fraction form
    9,020.40/13,533.84 = 4,086.36/x
  3. Step 3: Cross multiply
    9,020.40x = 13,533.84 × 4,086.36
  4. Step 4: Simplify right side
    9,020.40x = 55,304,142.42
  5. Step 5: Solve for x
    x = 55,304,142.42/9,020.40
  6. Step 6: Final answer
    x = 6,131.01

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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.