Home / 18,321.90-27,458.55-9,554.46

Finding the Fourth Proportional to 18,321.90, 27,458.55 and 9,554.46

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Solution

The fourth proportional to 18,321.90, 27,458.55 and 9,554.46 is: 14,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.90 : 27,458.55 = 9,554.46 : x
  2. Step 2: Convert to fraction form
    18,321.90/27,458.55 = 9,554.46/x
  3. Step 3: Cross multiply
    18,321.90x = 27,458.55 × 9,554.46
  4. Step 4: Simplify right side
    18,321.90x = 262,351,617.63
  5. Step 5: Solve for x
    x = 262,351,617.63/18,321.90
  6. Step 6: Final answer
    x = 14,319.02

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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.