Home / 10,475.22-15,717.96-4,928.34

Finding the Fourth Proportional to 10,475.22, 15,717.96 and 4,928.34

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Solution

The fourth proportional to 10,475.22, 15,717.96 and 4,928.34 is: 7,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475.22 : 15,717.96 = 4,928.34 : x
  2. Step 2: Convert to fraction form
    10,475.22/15,717.96 = 4,928.34/x
  3. Step 3: Cross multiply
    10,475.22x = 15,717.96 × 4,928.34
  4. Step 4: Simplify right side
    10,475.22x = 77,463,450.99
  5. Step 5: Solve for x
    x = 77,463,450.99/10,475.22
  6. Step 6: Final answer
    x = 7,394.92

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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.