Home / 18,778.02-25,913.43-11,326.02

Finding the Fourth Proportional to 18,778.02, 25,913.43 and 11,326.02

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Solution

The fourth proportional to 18,778.02, 25,913.43 and 11,326.02 is: 15,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,778.02 : 25,913.43 = 11,326.02 : x
  2. Step 2: Convert to fraction form
    18,778.02/25,913.43 = 11,326.02/x
  3. Step 3: Cross multiply
    18,778.02x = 25,913.43 × 11,326.02
  4. Step 4: Simplify right side
    18,778.02x = 293,496,026.45
  5. Step 5: Solve for x
    x = 293,496,026.45/18,778.02
  6. Step 6: Final answer
    x = 15,629.76

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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.