Home / 14,371.34-19,829.47-8,401.85

Finding the Fourth Proportional to 14,371.34, 19,829.47 and 8,401.85

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Solution

The fourth proportional to 14,371.34, 19,829.47 and 8,401.85 is: 11,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.34 : 19,829.47 = 8,401.85 : x
  2. Step 2: Convert to fraction form
    14,371.34/19,829.47 = 8,401.85/x
  3. Step 3: Cross multiply
    14,371.34x = 19,829.47 × 8,401.85
  4. Step 4: Simplify right side
    14,371.34x = 166,604,232.52
  5. Step 5: Solve for x
    x = 166,604,232.52/14,371.34
  6. Step 6: Final answer
    x = 11,592.81

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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.