Home / 11,208.74-15,468.06-6,172.94

Finding the Fourth Proportional to 11,208.74, 15,468.06 and 6,172.94

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Solution

The fourth proportional to 11,208.74, 15,468.06 and 6,172.94 is: 8,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.74 : 15,468.06 = 6,172.94 : x
  2. Step 2: Convert to fraction form
    11,208.74/15,468.06 = 6,172.94/x
  3. Step 3: Cross multiply
    11,208.74x = 15,468.06 × 6,172.94
  4. Step 4: Simplify right side
    11,208.74x = 95,483,468.12
  5. Step 5: Solve for x
    x = 95,483,468.12/11,208.74
  6. Step 6: Final answer
    x = 8,518.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.