Home / 10,070.96-15,107.68-2,675.56

Finding the Fourth Proportional to 10,070.96, 15,107.68 and 2,675.56

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Solution

The fourth proportional to 10,070.96, 15,107.68 and 2,675.56 is: 4,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.96 : 15,107.68 = 2,675.56 : x
  2. Step 2: Convert to fraction form
    10,070.96/15,107.68 = 2,675.56/x
  3. Step 3: Cross multiply
    10,070.96x = 15,107.68 × 2,675.56
  4. Step 4: Simplify right side
    10,070.96x = 40,421,504.30
  5. Step 5: Solve for x
    x = 40,421,504.30/10,070.96
  6. Step 6: Final answer
    x = 4,013.67

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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.