Home / 18,215.51-27,280.73-14,022.24

Finding the Fourth Proportional to 18,215.51, 27,280.73 and 14,022.24

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Solution

The fourth proportional to 18,215.51, 27,280.73 and 14,022.24 is: 21,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.51 : 27,280.73 = 14,022.24 : x
  2. Step 2: Convert to fraction form
    18,215.51/27,280.73 = 14,022.24/x
  3. Step 3: Cross multiply
    18,215.51x = 27,280.73 × 14,022.24
  4. Step 4: Simplify right side
    18,215.51x = 382,536,943.44
  5. Step 5: Solve for x
    x = 382,536,943.44/18,215.51
  6. Step 6: Final answer
    x = 21,000.62

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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.