Home / 13,449.84-20,180.52-12,303.60

Finding the Fourth Proportional to 13,449.84, 20,180.52 and 12,303.60

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Solution

The fourth proportional to 13,449.84, 20,180.52 and 12,303.60 is: 18,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.84 : 20,180.52 = 12,303.60 : x
  2. Step 2: Convert to fraction form
    13,449.84/20,180.52 = 12,303.60/x
  3. Step 3: Cross multiply
    13,449.84x = 20,180.52 × 12,303.60
  4. Step 4: Simplify right side
    13,449.84x = 248,293,045.87
  5. Step 5: Solve for x
    x = 248,293,045.87/13,449.84
  6. Step 6: Final answer
    x = 18,460.67

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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.