Home / 14,313.36-19,747.85-8,649.79

Finding the Fourth Proportional to 14,313.36, 19,747.85 and 8,649.79

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Solution

The fourth proportional to 14,313.36, 19,747.85 and 8,649.79 is: 11,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.36 : 19,747.85 = 8,649.79 : x
  2. Step 2: Convert to fraction form
    14,313.36/19,747.85 = 8,649.79/x
  3. Step 3: Cross multiply
    14,313.36x = 19,747.85 × 8,649.79
  4. Step 4: Simplify right side
    14,313.36x = 170,814,711.49
  5. Step 5: Solve for x
    x = 170,814,711.49/14,313.36
  6. Step 6: Final answer
    x = 11,933.94

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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.