Home / 18,223.70-25,149.47-10,266.39

Finding the Fourth Proportional to 18,223.70, 25,149.47 and 10,266.39

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Solution

The fourth proportional to 18,223.70, 25,149.47 and 10,266.39 is: 14,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.70 : 25,149.47 = 10,266.39 : x
  2. Step 2: Convert to fraction form
    18,223.70/25,149.47 = 10,266.39/x
  3. Step 3: Cross multiply
    18,223.70x = 25,149.47 × 10,266.39
  4. Step 4: Simplify right side
    18,223.70x = 258,194,215.98
  5. Step 5: Solve for x
    x = 258,194,215.98/18,223.70
  6. Step 6: Final answer
    x = 14,168.05

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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.