Home / 22,676.56-31,288.80-13,240.84

Finding the Fourth Proportional to 22,676.56, 31,288.80 and 13,240.84

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Solution

The fourth proportional to 22,676.56, 31,288.80 and 13,240.84 is: 18,269.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,676.56 : 31,288.80 = 13,240.84 : x
  2. Step 2: Convert to fraction form
    22,676.56/31,288.80 = 13,240.84/x
  3. Step 3: Cross multiply
    22,676.56x = 31,288.80 × 13,240.84
  4. Step 4: Simplify right side
    22,676.56x = 414,289,994.59
  5. Step 5: Solve for x
    x = 414,289,994.59/22,676.56
  6. Step 6: Final answer
    x = 18,269.53

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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.