Home / 11,516.58-15,894.09-6,801.30

Finding the Fourth Proportional to 11,516.58, 15,894.09 and 6,801.30

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Solution

The fourth proportional to 11,516.58, 15,894.09 and 6,801.30 is: 9,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.58 : 15,894.09 = 6,801.30 : x
  2. Step 2: Convert to fraction form
    11,516.58/15,894.09 = 6,801.30/x
  3. Step 3: Cross multiply
    11,516.58x = 15,894.09 × 6,801.30
  4. Step 4: Simplify right side
    11,516.58x = 108,100,474.32
  5. Step 5: Solve for x
    x = 108,100,474.32/11,516.58
  6. Step 6: Final answer
    x = 9,386.51

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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.