Home / 18,518.58-27,765.63-9,154.26

Finding the Fourth Proportional to 18,518.58, 27,765.63 and 9,154.26

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Solution

The fourth proportional to 18,518.58, 27,765.63 and 9,154.26 is: 13,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518.58 : 27,765.63 = 9,154.26 : x
  2. Step 2: Convert to fraction form
    18,518.58/27,765.63 = 9,154.26/x
  3. Step 3: Cross multiply
    18,518.58x = 27,765.63 × 9,154.26
  4. Step 4: Simplify right side
    18,518.58x = 254,173,796.08
  5. Step 5: Solve for x
    x = 254,173,796.08/18,518.58
  6. Step 6: Final answer
    x = 13,725.34

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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.