Home / 18,521.67-25,558.46-10,563.39

Finding the Fourth Proportional to 18,521.67, 25,558.46 and 10,563.39

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Solution

The fourth proportional to 18,521.67, 25,558.46 and 10,563.39 is: 14,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.67 : 25,558.46 = 10,563.39 : x
  2. Step 2: Convert to fraction form
    18,521.67/25,558.46 = 10,563.39/x
  3. Step 3: Cross multiply
    18,521.67x = 25,558.46 × 10,563.39
  4. Step 4: Simplify right side
    18,521.67x = 269,983,927.96
  5. Step 5: Solve for x
    x = 269,983,927.96/18,521.67
  6. Step 6: Final answer
    x = 14,576.65

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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.