Home / 9,122.19-13,687.35-5,226.60

Finding the Fourth Proportional to 9,122.19, 13,687.35 and 5,226.60

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Solution

The fourth proportional to 9,122.19, 13,687.35 and 5,226.60 is: 7,842.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.19 : 13,687.35 = 5,226.60 : x
  2. Step 2: Convert to fraction form
    9,122.19/13,687.35 = 5,226.60/x
  3. Step 3: Cross multiply
    9,122.19x = 13,687.35 × 5,226.60
  4. Step 4: Simplify right side
    9,122.19x = 71,538,303.51
  5. Step 5: Solve for x
    x = 71,538,303.51/9,122.19
  6. Step 6: Final answer
    x = 7,842.23

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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.