Home / 10,889.83-15,036.43-8,367.97

Finding the Fourth Proportional to 10,889.83, 15,036.43 and 8,367.97

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Solution

The fourth proportional to 10,889.83, 15,036.43 and 8,367.97 is: 11,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.83 : 15,036.43 = 8,367.97 : x
  2. Step 2: Convert to fraction form
    10,889.83/15,036.43 = 8,367.97/x
  3. Step 3: Cross multiply
    10,889.83x = 15,036.43 × 8,367.97
  4. Step 4: Simplify right side
    10,889.83x = 125,824,319.96
  5. Step 5: Solve for x
    x = 125,824,319.96/10,889.83
  6. Step 6: Final answer
    x = 11,554.30

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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.