Home / 13,533.08-20,300.31-4,179.51

Finding the Fourth Proportional to 13,533.08, 20,300.31 and 4,179.51

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Solution

The fourth proportional to 13,533.08, 20,300.31 and 4,179.51 is: 6,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.08 : 20,300.31 = 4,179.51 : x
  2. Step 2: Convert to fraction form
    13,533.08/20,300.31 = 4,179.51/x
  3. Step 3: Cross multiply
    13,533.08x = 20,300.31 × 4,179.51
  4. Step 4: Simplify right side
    13,533.08x = 84,845,348.65
  5. Step 5: Solve for x
    x = 84,845,348.65/13,533.08
  6. Step 6: Final answer
    x = 6,269.48

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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.