Home / 25,399.34-38,123.62-12,260.94

Finding the Fourth Proportional to 25,399.34, 38,123.62 and 12,260.94

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Solution

The fourth proportional to 25,399.34, 38,123.62 and 12,260.94 is: 18,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,399.34 : 38,123.62 = 12,260.94 : x
  2. Step 2: Convert to fraction form
    25,399.34/38,123.62 = 12,260.94/x
  3. Step 3: Cross multiply
    25,399.34x = 38,123.62 × 12,260.94
  4. Step 4: Simplify right side
    25,399.34x = 467,431,386.75
  5. Step 5: Solve for x
    x = 467,431,386.75/25,399.34
  6. Step 6: Final answer
    x = 18,403.29

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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.