Home / 10,916.37-15,065.06-6,201.09

Finding the Fourth Proportional to 10,916.37, 15,065.06 and 6,201.09

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Solution

The fourth proportional to 10,916.37, 15,065.06 and 6,201.09 is: 8,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.37 : 15,065.06 = 6,201.09 : x
  2. Step 2: Convert to fraction form
    10,916.37/15,065.06 = 6,201.09/x
  3. Step 3: Cross multiply
    10,916.37x = 15,065.06 × 6,201.09
  4. Step 4: Simplify right side
    10,916.37x = 93,419,761.91
  5. Step 5: Solve for x
    x = 93,419,761.91/10,916.37
  6. Step 6: Final answer
    x = 8,557.77

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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.