Home / 18,457.10-27,684.68-5,308.96

Finding the Fourth Proportional to 18,457.10, 27,684.68 and 5,308.96

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Solution

The fourth proportional to 18,457.10, 27,684.68 and 5,308.96 is: 7,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.10 : 27,684.68 = 5,308.96 : x
  2. Step 2: Convert to fraction form
    18,457.10/27,684.68 = 5,308.96/x
  3. Step 3: Cross multiply
    18,457.10x = 27,684.68 × 5,308.96
  4. Step 4: Simplify right side
    18,457.10x = 146,976,720.31
  5. Step 5: Solve for x
    x = 146,976,720.31/18,457.10
  6. Step 6: Final answer
    x = 7,963.15

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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.