Home / 13,365.90-20,052.32-4,005.54

Finding the Fourth Proportional to 13,365.90, 20,052.32 and 4,005.54

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Solution

The fourth proportional to 13,365.90, 20,052.32 and 4,005.54 is: 6,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.90 : 20,052.32 = 4,005.54 : x
  2. Step 2: Convert to fraction form
    13,365.90/20,052.32 = 4,005.54/x
  3. Step 3: Cross multiply
    13,365.90x = 20,052.32 × 4,005.54
  4. Step 4: Simplify right side
    13,365.90x = 80,320,349.83
  5. Step 5: Solve for x
    x = 80,320,349.83/13,365.90
  6. Step 6: Final answer
    x = 6,009.35

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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.