Home / 14,433.21-19,910.67-9,400.35

Finding the Fourth Proportional to 14,433.21, 19,910.67 and 9,400.35

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Solution

The fourth proportional to 14,433.21, 19,910.67 and 9,400.35 is: 12,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433.21 : 19,910.67 = 9,400.35 : x
  2. Step 2: Convert to fraction form
    14,433.21/19,910.67 = 9,400.35/x
  3. Step 3: Cross multiply
    14,433.21x = 19,910.67 × 9,400.35
  4. Step 4: Simplify right side
    14,433.21x = 187,167,266.73
  5. Step 5: Solve for x
    x = 187,167,266.73/14,433.21
  6. Step 6: Final answer
    x = 12,967.82

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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.