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Finding the Fourth Proportional to 14,048.58, 21,080.16 and 10,184.88

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Solution

The fourth proportional to 14,048.58, 21,080.16 and 10,184.88 is: 15,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.58 : 21,080.16 = 10,184.88 : x
  2. Step 2: Convert to fraction form
    14,048.58/21,080.16 = 10,184.88/x
  3. Step 3: Cross multiply
    14,048.58x = 21,080.16 × 10,184.88
  4. Step 4: Simplify right side
    14,048.58x = 214,698,899.98
  5. Step 5: Solve for x
    x = 214,698,899.98/14,048.58
  6. Step 6: Final answer
    x = 15,282.61

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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.