Home / 11,938.14-16,484.58-9,959.07

Finding the Fourth Proportional to 11,938.14, 16,484.58 and 9,959.07

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Solution

The fourth proportional to 11,938.14, 16,484.58 and 9,959.07 is: 13,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.14 : 16,484.58 = 9,959.07 : x
  2. Step 2: Convert to fraction form
    11,938.14/16,484.58 = 9,959.07/x
  3. Step 3: Cross multiply
    11,938.14x = 16,484.58 × 9,959.07
  4. Step 4: Simplify right side
    11,938.14x = 164,171,086.14
  5. Step 5: Solve for x
    x = 164,171,086.14/11,938.14
  6. Step 6: Final answer
    x = 13,751.81

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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.