Home / 14,252.88-21,379.31-4,392.15

Finding the Fourth Proportional to 14,252.88, 21,379.31 and 4,392.15

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Solution

The fourth proportional to 14,252.88, 21,379.31 and 4,392.15 is: 6,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.88 : 21,379.31 = 4,392.15 : x
  2. Step 2: Convert to fraction form
    14,252.88/21,379.31 = 4,392.15/x
  3. Step 3: Cross multiply
    14,252.88x = 21,379.31 × 4,392.15
  4. Step 4: Simplify right side
    14,252.88x = 93,901,232.04
  5. Step 5: Solve for x
    x = 93,901,232.04/14,252.88
  6. Step 6: Final answer
    x = 6,588.23

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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.