Home / 12,698.28-19,045.08-4,801.50

Finding the Fourth Proportional to 12,698.28, 19,045.08 and 4,801.50

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Solution

The fourth proportional to 12,698.28, 19,045.08 and 4,801.50 is: 7,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.28 : 19,045.08 = 4,801.50 : x
  2. Step 2: Convert to fraction form
    12,698.28/19,045.08 = 4,801.50/x
  3. Step 3: Cross multiply
    12,698.28x = 19,045.08 × 4,801.50
  4. Step 4: Simplify right side
    12,698.28x = 91,444,951.62
  5. Step 5: Solve for x
    x = 91,444,951.62/12,698.28
  6. Step 6: Final answer
    x = 7,201.37

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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.