Home / 19,911.42-27,477.06-10,958.86

Finding the Fourth Proportional to 19,911.42, 27,477.06 and 10,958.86

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Solution

The fourth proportional to 19,911.42, 27,477.06 and 10,958.86 is: 15,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.42 : 27,477.06 = 10,958.86 : x
  2. Step 2: Convert to fraction form
    19,911.42/27,477.06 = 10,958.86/x
  3. Step 3: Cross multiply
    19,911.42x = 27,477.06 × 10,958.86
  4. Step 4: Simplify right side
    19,911.42x = 301,117,253.75
  5. Step 5: Solve for x
    x = 301,117,253.75/19,911.42
  6. Step 6: Final answer
    x = 15,122.84

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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.