Home / 10,741.37-16,111.42-6,386.54

Finding the Fourth Proportional to 10,741.37, 16,111.42 and 6,386.54

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Solution

The fourth proportional to 10,741.37, 16,111.42 and 6,386.54 is: 9,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,741.37 : 16,111.42 = 6,386.54 : x
  2. Step 2: Convert to fraction form
    10,741.37/16,111.42 = 6,386.54/x
  3. Step 3: Cross multiply
    10,741.37x = 16,111.42 × 6,386.54
  4. Step 4: Simplify right side
    10,741.37x = 102,896,228.29
  5. Step 5: Solve for x
    x = 102,896,228.29/10,741.37
  6. Step 6: Final answer
    x = 9,579.43

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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.