Home / 12,801.78-19,202.67-4,037.38

Finding the Fourth Proportional to 12,801.78, 19,202.67 and 4,037.38

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Solution

The fourth proportional to 12,801.78, 19,202.67 and 4,037.38 is: 6,056.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.78 : 19,202.67 = 4,037.38 : x
  2. Step 2: Convert to fraction form
    12,801.78/19,202.67 = 4,037.38/x
  3. Step 3: Cross multiply
    12,801.78x = 19,202.67 × 4,037.38
  4. Step 4: Simplify right side
    12,801.78x = 77,528,427.80
  5. Step 5: Solve for x
    x = 77,528,427.80/12,801.78
  6. Step 6: Final answer
    x = 6,056.07

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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.