Home / 10,577.44-15,862.32-4,421.92

Finding the Fourth Proportional to 10,577.44, 15,862.32 and 4,421.92

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Solution

The fourth proportional to 10,577.44, 15,862.32 and 4,421.92 is: 6,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.44 : 15,862.32 = 4,421.92 : x
  2. Step 2: Convert to fraction form
    10,577.44/15,862.32 = 4,421.92/x
  3. Step 3: Cross multiply
    10,577.44x = 15,862.32 × 4,421.92
  4. Step 4: Simplify right side
    10,577.44x = 70,141,910.05
  5. Step 5: Solve for x
    x = 70,141,910.05/10,577.44
  6. Step 6: Final answer
    x = 6,631.27

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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.