Home / 18,940.02-26,137.32-10,986.93

Finding the Fourth Proportional to 18,940.02, 26,137.32 and 10,986.93

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Solution

The fourth proportional to 18,940.02, 26,137.32 and 10,986.93 is: 15,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.02 : 26,137.32 = 10,986.93 : x
  2. Step 2: Convert to fraction form
    18,940.02/26,137.32 = 10,986.93/x
  3. Step 3: Cross multiply
    18,940.02x = 26,137.32 × 10,986.93
  4. Step 4: Simplify right side
    18,940.02x = 287,168,905.23
  5. Step 5: Solve for x
    x = 287,168,905.23/18,940.02
  6. Step 6: Final answer
    x = 15,162.02

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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.