Home / 14,224.63-19,639.23-12,729.98

Finding the Fourth Proportional to 14,224.63, 19,639.23 and 12,729.98

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Solution

The fourth proportional to 14,224.63, 19,639.23 and 12,729.98 is: 17,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.63 : 19,639.23 = 12,729.98 : x
  2. Step 2: Convert to fraction form
    14,224.63/19,639.23 = 12,729.98/x
  3. Step 3: Cross multiply
    14,224.63x = 19,639.23 × 12,729.98
  4. Step 4: Simplify right side
    14,224.63x = 250,007,003.41
  5. Step 5: Solve for x
    x = 250,007,003.41/14,224.63
  6. Step 6: Final answer
    x = 17,575.64

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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.