Home / 13,750.54-20,625.80-4,872.38

Finding the Fourth Proportional to 13,750.54, 20,625.80 and 4,872.38

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Solution

The fourth proportional to 13,750.54, 20,625.80 and 4,872.38 is: 7,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.54 : 20,625.80 = 4,872.38 : x
  2. Step 2: Convert to fraction form
    13,750.54/20,625.80 = 4,872.38/x
  3. Step 3: Cross multiply
    13,750.54x = 20,625.80 × 4,872.38
  4. Step 4: Simplify right side
    13,750.54x = 100,496,607.91
  5. Step 5: Solve for x
    x = 100,496,607.91/13,750.54
  6. Step 6: Final answer
    x = 7,308.56

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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.