Home / 18,290.70-25,240.73-10,223.86

Finding the Fourth Proportional to 18,290.70, 25,240.73 and 10,223.86

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Solution

The fourth proportional to 18,290.70, 25,240.73 and 10,223.86 is: 14,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.70 : 25,240.73 = 10,223.86 : x
  2. Step 2: Convert to fraction form
    18,290.70/25,240.73 = 10,223.86/x
  3. Step 3: Cross multiply
    18,290.70x = 25,240.73 × 10,223.86
  4. Step 4: Simplify right side
    18,290.70x = 258,057,689.82
  5. Step 5: Solve for x
    x = 258,057,689.82/18,290.70
  6. Step 6: Final answer
    x = 14,108.68

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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.