Home / 11,927.88-17,889.66-5,354.28

Finding the Fourth Proportional to 11,927.88, 17,889.66 and 5,354.28

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Solution

The fourth proportional to 11,927.88, 17,889.66 and 5,354.28 is: 8,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.88 : 17,889.66 = 5,354.28 : x
  2. Step 2: Convert to fraction form
    11,927.88/17,889.66 = 5,354.28/x
  3. Step 3: Cross multiply
    11,927.88x = 17,889.66 × 5,354.28
  4. Step 4: Simplify right side
    11,927.88x = 95,786,248.74
  5. Step 5: Solve for x
    x = 95,786,248.74/11,927.88
  6. Step 6: Final answer
    x = 8,030.45

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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.