Home / 14,107.96-21,157.08-5,345.38

Finding the Fourth Proportional to 14,107.96, 21,157.08 and 5,345.38

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Solution

The fourth proportional to 14,107.96, 21,157.08 and 5,345.38 is: 8,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.96 : 21,157.08 = 5,345.38 : x
  2. Step 2: Convert to fraction form
    14,107.96/21,157.08 = 5,345.38/x
  3. Step 3: Cross multiply
    14,107.96x = 21,157.08 × 5,345.38
  4. Step 4: Simplify right side
    14,107.96x = 113,092,632.29
  5. Step 5: Solve for x
    x = 113,092,632.29/14,107.96
  6. Step 6: Final answer
    x = 8,016.23

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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.