Home / 12,303.20-18,455.76-6,066.56

Finding the Fourth Proportional to 12,303.20, 18,455.76 and 6,066.56

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Solution

The fourth proportional to 12,303.20, 18,455.76 and 6,066.56 is: 9,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.20 : 18,455.76 = 6,066.56 : x
  2. Step 2: Convert to fraction form
    12,303.20/18,455.76 = 6,066.56/x
  3. Step 3: Cross multiply
    12,303.20x = 18,455.76 × 6,066.56
  4. Step 4: Simplify right side
    12,303.20x = 111,962,975.39
  5. Step 5: Solve for x
    x = 111,962,975.39/12,303.20
  6. Step 6: Final answer
    x = 9,100.31

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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.