Home / 13,784.32-20,659.16-5,999.68

Finding the Fourth Proportional to 13,784.32, 20,659.16 and 5,999.68

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Solution

The fourth proportional to 13,784.32, 20,659.16 and 5,999.68 is: 8,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.32 : 20,659.16 = 5,999.68 : x
  2. Step 2: Convert to fraction form
    13,784.32/20,659.16 = 5,999.68/x
  3. Step 3: Cross multiply
    13,784.32x = 20,659.16 × 5,999.68
  4. Step 4: Simplify right side
    13,784.32x = 123,948,349.07
  5. Step 5: Solve for x
    x = 123,948,349.07/13,784.32
  6. Step 6: Final answer
    x = 8,991.98

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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.