Home / 10,148.23-15,212.01-6,861.65

Finding the Fourth Proportional to 10,148.23, 15,212.01 and 6,861.65

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Solution

The fourth proportional to 10,148.23, 15,212.01 and 6,861.65 is: 10,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.23 : 15,212.01 = 6,861.65 : x
  2. Step 2: Convert to fraction form
    10,148.23/15,212.01 = 6,861.65/x
  3. Step 3: Cross multiply
    10,148.23x = 15,212.01 × 6,861.65
  4. Step 4: Simplify right side
    10,148.23x = 104,379,488.42
  5. Step 5: Solve for x
    x = 104,379,488.42/10,148.23
  6. Step 6: Final answer
    x = 10,285.49

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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.