Home / 15,054.45-20,774.86-9,086.37

Finding the Fourth Proportional to 15,054.45, 20,774.86 and 9,086.37

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Solution

The fourth proportional to 15,054.45, 20,774.86 and 9,086.37 is: 12,539.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.45 : 20,774.86 = 9,086.37 : x
  2. Step 2: Convert to fraction form
    15,054.45/20,774.86 = 9,086.37/x
  3. Step 3: Cross multiply
    15,054.45x = 20,774.86 × 9,086.37
  4. Step 4: Simplify right side
    15,054.45x = 188,768,064.66
  5. Step 5: Solve for x
    x = 188,768,064.66/15,054.45
  6. Step 6: Final answer
    x = 12,539.02

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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.