Home / 10,368.96-15,553.44-2,577.78

Finding the Fourth Proportional to 10,368.96, 15,553.44 and 2,577.78

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Solution

The fourth proportional to 10,368.96, 15,553.44 and 2,577.78 is: 3,866.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.96 : 15,553.44 = 2,577.78 : x
  2. Step 2: Convert to fraction form
    10,368.96/15,553.44 = 2,577.78/x
  3. Step 3: Cross multiply
    10,368.96x = 15,553.44 × 2,577.78
  4. Step 4: Simplify right side
    10,368.96x = 40,093,346.56
  5. Step 5: Solve for x
    x = 40,093,346.56/10,368.96
  6. Step 6: Final answer
    x = 3,866.67

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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.