Home / 13,009.08-19,513.64-3,148.32

Finding the Fourth Proportional to 13,009.08, 19,513.64 and 3,148.32

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Solution

The fourth proportional to 13,009.08, 19,513.64 and 3,148.32 is: 4,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.08 : 19,513.64 = 3,148.32 : x
  2. Step 2: Convert to fraction form
    13,009.08/19,513.64 = 3,148.32/x
  3. Step 3: Cross multiply
    13,009.08x = 19,513.64 × 3,148.32
  4. Step 4: Simplify right side
    13,009.08x = 61,435,183.08
  5. Step 5: Solve for x
    x = 61,435,183.08/13,009.08
  6. Step 6: Final answer
    x = 4,722.48

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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.