Home / 14,020.16-21,056.97-11,264.54

Finding the Fourth Proportional to 14,020.16, 21,056.97 and 11,264.54

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Solution

The fourth proportional to 14,020.16, 21,056.97 and 11,264.54 is: 16,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.16 : 21,056.97 = 11,264.54 : x
  2. Step 2: Convert to fraction form
    14,020.16/21,056.97 = 11,264.54/x
  3. Step 3: Cross multiply
    14,020.16x = 21,056.97 × 11,264.54
  4. Step 4: Simplify right side
    14,020.16x = 237,197,080.84
  5. Step 5: Solve for x
    x = 237,197,080.84/14,020.16
  6. Step 6: Final answer
    x = 16,918.29

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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.