Home / 18,365.22-27,528.60-7,697.67

Finding the Fourth Proportional to 18,365.22, 27,528.60 and 7,697.67

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Solution

The fourth proportional to 18,365.22, 27,528.60 and 7,697.67 is: 11,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.22 : 27,528.60 = 7,697.67 : x
  2. Step 2: Convert to fraction form
    18,365.22/27,528.60 = 7,697.67/x
  3. Step 3: Cross multiply
    18,365.22x = 27,528.60 × 7,697.67
  4. Step 4: Simplify right side
    18,365.22x = 211,906,066.01
  5. Step 5: Solve for x
    x = 211,906,066.01/18,365.22
  6. Step 6: Final answer
    x = 11,538.45

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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.