Home / 26,161.02-39,219.63-12,131.06

Finding the Fourth Proportional to 26,161.02, 39,219.63 and 12,131.06

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Solution

The fourth proportional to 26,161.02, 39,219.63 and 12,131.06 is: 18,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,161.02 : 39,219.63 = 12,131.06 : x
  2. Step 2: Convert to fraction form
    26,161.02/39,219.63 = 12,131.06/x
  3. Step 3: Cross multiply
    26,161.02x = 39,219.63 × 12,131.06
  4. Step 4: Simplify right side
    26,161.02x = 475,775,427.95
  5. Step 5: Solve for x
    x = 475,775,427.95/26,161.02
  6. Step 6: Final answer
    x = 18,186.43

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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.