Home / 18,215.02-27,326.40-10,321.23

Finding the Fourth Proportional to 18,215.02, 27,326.40 and 10,321.23

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Solution

The fourth proportional to 18,215.02, 27,326.40 and 10,321.23 is: 15,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.02 : 27,326.40 = 10,321.23 : x
  2. Step 2: Convert to fraction form
    18,215.02/27,326.40 = 10,321.23/x
  3. Step 3: Cross multiply
    18,215.02x = 27,326.40 × 10,321.23
  4. Step 4: Simplify right side
    18,215.02x = 282,042,059.47
  5. Step 5: Solve for x
    x = 282,042,059.47/18,215.02
  6. Step 6: Final answer
    x = 15,484.04

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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.