Home / 18,406.96-27,606.38-5,259.04

Finding the Fourth Proportional to 18,406.96, 27,606.38 and 5,259.04

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Solution

The fourth proportional to 18,406.96, 27,606.38 and 5,259.04 is: 7,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.96 : 27,606.38 = 5,259.04 : x
  2. Step 2: Convert to fraction form
    18,406.96/27,606.38 = 5,259.04/x
  3. Step 3: Cross multiply
    18,406.96x = 27,606.38 × 5,259.04
  4. Step 4: Simplify right side
    18,406.96x = 145,183,056.68
  5. Step 5: Solve for x
    x = 145,183,056.68/18,406.96
  6. Step 6: Final answer
    x = 7,887.40

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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.