Home / 23,220.93-34,820.75-7,422.89

Finding the Fourth Proportional to 23,220.93, 34,820.75 and 7,422.89

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Solution

The fourth proportional to 23,220.93, 34,820.75 and 7,422.89 is: 11,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.93 : 34,820.75 = 7,422.89 : x
  2. Step 2: Convert to fraction form
    23,220.93/34,820.75 = 7,422.89/x
  3. Step 3: Cross multiply
    23,220.93x = 34,820.75 × 7,422.89
  4. Step 4: Simplify right side
    23,220.93x = 258,470,596.97
  5. Step 5: Solve for x
    x = 258,470,596.97/23,220.93
  6. Step 6: Final answer
    x = 11,130.93

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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.