Home / 11,814.81-16,289.28-9,682.62

Finding the Fourth Proportional to 11,814.81, 16,289.28 and 9,682.62

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Solution

The fourth proportional to 11,814.81, 16,289.28 and 9,682.62 is: 13,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.81 : 16,289.28 = 9,682.62 : x
  2. Step 2: Convert to fraction form
    11,814.81/16,289.28 = 9,682.62/x
  3. Step 3: Cross multiply
    11,814.81x = 16,289.28 × 9,682.62
  4. Step 4: Simplify right side
    11,814.81x = 157,722,908.31
  5. Step 5: Solve for x
    x = 157,722,908.31/11,814.81
  6. Step 6: Final answer
    x = 13,349.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.