Home / 18,681.67-28,022.41-5,533.03

Finding the Fourth Proportional to 18,681.67, 28,022.41 and 5,533.03

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Solution

The fourth proportional to 18,681.67, 28,022.41 and 5,533.03 is: 8,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681.67 : 28,022.41 = 5,533.03 : x
  2. Step 2: Convert to fraction form
    18,681.67/28,022.41 = 5,533.03/x
  3. Step 3: Cross multiply
    18,681.67x = 28,022.41 × 5,533.03
  4. Step 4: Simplify right side
    18,681.67x = 155,048,835.20
  5. Step 5: Solve for x
    x = 155,048,835.20/18,681.67
  6. Step 6: Final answer
    x = 8,299.52

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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.