Home / 12,795.72-19,181.25-6,558.66

Finding the Fourth Proportional to 12,795.72, 19,181.25 and 6,558.66

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Solution

The fourth proportional to 12,795.72, 19,181.25 and 6,558.66 is: 9,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.72 : 19,181.25 = 6,558.66 : x
  2. Step 2: Convert to fraction form
    12,795.72/19,181.25 = 6,558.66/x
  3. Step 3: Cross multiply
    12,795.72x = 19,181.25 × 6,558.66
  4. Step 4: Simplify right side
    12,795.72x = 125,803,297.13
  5. Step 5: Solve for x
    x = 125,803,297.13/12,795.72
  6. Step 6: Final answer
    x = 9,831.67

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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.