Home / 12,203.37-18,307.08-4,303.67

Finding the Fourth Proportional to 12,203.37, 18,307.08 and 4,303.67

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Solution

The fourth proportional to 12,203.37, 18,307.08 and 4,303.67 is: 6,456.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.37 : 18,307.08 = 4,303.67 : x
  2. Step 2: Convert to fraction form
    12,203.37/18,307.08 = 4,303.67/x
  3. Step 3: Cross multiply
    12,203.37x = 18,307.08 × 4,303.67
  4. Step 4: Simplify right side
    12,203.37x = 78,787,539.45
  5. Step 5: Solve for x
    x = 78,787,539.45/12,203.37
  6. Step 6: Final answer
    x = 6,456.21

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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.