Home / 13,474.72-20,217.96-4,715.92

Finding the Fourth Proportional to 13,474.72, 20,217.96 and 4,715.92

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Solution

The fourth proportional to 13,474.72, 20,217.96 and 4,715.92 is: 7,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.72 : 20,217.96 = 4,715.92 : x
  2. Step 2: Convert to fraction form
    13,474.72/20,217.96 = 4,715.92/x
  3. Step 3: Cross multiply
    13,474.72x = 20,217.96 × 4,715.92
  4. Step 4: Simplify right side
    13,474.72x = 95,346,281.92
  5. Step 5: Solve for x
    x = 95,346,281.92/13,474.72
  6. Step 6: Final answer
    x = 7,075.94

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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.