Home / 12,576.05-18,866.49-4,784.24

Finding the Fourth Proportional to 12,576.05, 18,866.49 and 4,784.24

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Solution

The fourth proportional to 12,576.05, 18,866.49 and 4,784.24 is: 7,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.05 : 18,866.49 = 4,784.24 : x
  2. Step 2: Convert to fraction form
    12,576.05/18,866.49 = 4,784.24/x
  3. Step 3: Cross multiply
    12,576.05x = 18,866.49 × 4,784.24
  4. Step 4: Simplify right side
    12,576.05x = 90,261,816.12
  5. Step 5: Solve for x
    x = 90,261,816.12/12,576.05
  6. Step 6: Final answer
    x = 7,177.28

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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.