Home / 11,454.93-15,808.76-6,419.07

Finding the Fourth Proportional to 11,454.93, 15,808.76 and 6,419.07

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Solution

The fourth proportional to 11,454.93, 15,808.76 and 6,419.07 is: 8,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.93 : 15,808.76 = 6,419.07 : x
  2. Step 2: Convert to fraction form
    11,454.93/15,808.76 = 6,419.07/x
  3. Step 3: Cross multiply
    11,454.93x = 15,808.76 × 6,419.07
  4. Step 4: Simplify right side
    11,454.93x = 101,477,537.05
  5. Step 5: Solve for x
    x = 101,477,537.05/11,454.93
  6. Step 6: Final answer
    x = 8,858.85

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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.