Home / 14,105.09-19,465.26-7,731.55

Finding the Fourth Proportional to 14,105.09, 19,465.26 and 7,731.55

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Solution

The fourth proportional to 14,105.09, 19,465.26 and 7,731.55 is: 10,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.09 : 19,465.26 = 7,731.55 : x
  2. Step 2: Convert to fraction form
    14,105.09/19,465.26 = 7,731.55/x
  3. Step 3: Cross multiply
    14,105.09x = 19,465.26 × 7,731.55
  4. Step 4: Simplify right side
    14,105.09x = 150,496,630.95
  5. Step 5: Solve for x
    x = 150,496,630.95/14,105.09
  6. Step 6: Final answer
    x = 10,669.67

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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.