Home / 11,427.96-15,773.64-6,715.38

Finding the Fourth Proportional to 11,427.96, 15,773.64 and 6,715.38

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Solution

The fourth proportional to 11,427.96, 15,773.64 and 6,715.38 is: 9,269.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.96 : 15,773.64 = 6,715.38 : x
  2. Step 2: Convert to fraction form
    11,427.96/15,773.64 = 6,715.38/x
  3. Step 3: Cross multiply
    11,427.96x = 15,773.64 × 6,715.38
  4. Step 4: Simplify right side
    11,427.96x = 105,925,986.58
  5. Step 5: Solve for x
    x = 105,925,986.58/11,427.96
  6. Step 6: Final answer
    x = 9,269.02

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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.