Home / 22,357.09-30,852.75-12,285.79

Finding the Fourth Proportional to 22,357.09, 30,852.75 and 12,285.79

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Solution

The fourth proportional to 22,357.09, 30,852.75 and 12,285.79 is: 16,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,357.09 : 30,852.75 = 12,285.79 : x
  2. Step 2: Convert to fraction form
    22,357.09/30,852.75 = 12,285.79/x
  3. Step 3: Cross multiply
    22,357.09x = 30,852.75 × 12,285.79
  4. Step 4: Simplify right side
    22,357.09x = 379,050,407.42
  5. Step 5: Solve for x
    x = 379,050,407.42/22,357.09
  6. Step 6: Final answer
    x = 16,954.37

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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.