Home / 14,399.89-19,873.74-8,113.48

Finding the Fourth Proportional to 14,399.89, 19,873.74 and 8,113.48

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Solution

The fourth proportional to 14,399.89, 19,873.74 and 8,113.48 is: 11,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.89 : 19,873.74 = 8,113.48 : x
  2. Step 2: Convert to fraction form
    14,399.89/19,873.74 = 8,113.48/x
  3. Step 3: Cross multiply
    14,399.89x = 19,873.74 × 8,113.48
  4. Step 4: Simplify right side
    14,399.89x = 161,245,192.02
  5. Step 5: Solve for x
    x = 161,245,192.02/14,399.89
  6. Step 6: Final answer
    x = 11,197.67

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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.