Home / 19,731.02-27,227.02-11,118.60

Finding the Fourth Proportional to 19,731.02, 27,227.02 and 11,118.60

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Solution

The fourth proportional to 19,731.02, 27,227.02 and 11,118.60 is: 15,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.02 : 27,227.02 = 11,118.60 : x
  2. Step 2: Convert to fraction form
    19,731.02/27,227.02 = 11,118.60/x
  3. Step 3: Cross multiply
    19,731.02x = 27,227.02 × 11,118.60
  4. Step 4: Simplify right side
    19,731.02x = 302,726,288.98
  5. Step 5: Solve for x
    x = 302,726,288.98/19,731.02
  6. Step 6: Final answer
    x = 15,342.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.