Home / 14,127.40-21,212.70-10,844.20

Finding the Fourth Proportional to 14,127.40, 21,212.70 and 10,844.20

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Solution

The fourth proportional to 14,127.40, 21,212.70 and 10,844.20 is: 16,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.40 : 21,212.70 = 10,844.20 : x
  2. Step 2: Convert to fraction form
    14,127.40/21,212.70 = 10,844.20/x
  3. Step 3: Cross multiply
    14,127.40x = 21,212.70 × 10,844.20
  4. Step 4: Simplify right side
    14,127.40x = 230,034,761.34
  5. Step 5: Solve for x
    x = 230,034,761.34/14,127.40
  6. Step 6: Final answer
    x = 16,282.88

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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.