Home / 14,086.38-21,132.81-4,727.64

Finding the Fourth Proportional to 14,086.38, 21,132.81 and 4,727.64

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Solution

The fourth proportional to 14,086.38, 21,132.81 and 4,727.64 is: 7,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.38 : 21,132.81 = 4,727.64 : x
  2. Step 2: Convert to fraction form
    14,086.38/21,132.81 = 4,727.64/x
  3. Step 3: Cross multiply
    14,086.38x = 21,132.81 × 4,727.64
  4. Step 4: Simplify right side
    14,086.38x = 99,908,317.87
  5. Step 5: Solve for x
    x = 99,908,317.87/14,086.38
  6. Step 6: Final answer
    x = 7,092.55

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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.