Home / 12,015.56-18,026.58-10,858.88

Finding the Fourth Proportional to 12,015.56, 18,026.58 and 10,858.88

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Solution

The fourth proportional to 12,015.56, 18,026.58 and 10,858.88 is: 16,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.56 : 18,026.58 = 10,858.88 : x
  2. Step 2: Convert to fraction form
    12,015.56/18,026.58 = 10,858.88/x
  3. Step 3: Cross multiply
    12,015.56x = 18,026.58 × 10,858.88
  4. Step 4: Simplify right side
    12,015.56x = 195,748,469.03
  5. Step 5: Solve for x
    x = 195,748,469.03/12,015.56
  6. Step 6: Final answer
    x = 16,291.25

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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.