Home / 14,278.41-21,422.34-9,007.34

Finding the Fourth Proportional to 14,278.41, 21,422.34 and 9,007.34

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Solution

The fourth proportional to 14,278.41, 21,422.34 and 9,007.34 is: 13,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.41 : 21,422.34 = 9,007.34 : x
  2. Step 2: Convert to fraction form
    14,278.41/21,422.34 = 9,007.34/x
  3. Step 3: Cross multiply
    14,278.41x = 21,422.34 × 9,007.34
  4. Step 4: Simplify right side
    14,278.41x = 192,958,192.86
  5. Step 5: Solve for x
    x = 192,958,192.86/14,278.41
  6. Step 6: Final answer
    x = 13,513.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.