Home / 10,153.55-15,226.55-3,488.67

Finding the Fourth Proportional to 10,153.55, 15,226.55 and 3,488.67

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Solution

The fourth proportional to 10,153.55, 15,226.55 and 3,488.67 is: 5,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.55 : 15,226.55 = 3,488.67 : x
  2. Step 2: Convert to fraction form
    10,153.55/15,226.55 = 3,488.67/x
  3. Step 3: Cross multiply
    10,153.55x = 15,226.55 × 3,488.67
  4. Step 4: Simplify right side
    10,153.55x = 53,120,403.83
  5. Step 5: Solve for x
    x = 53,120,403.83/10,153.55
  6. Step 6: Final answer
    x = 5,231.71

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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.