Home / 15,855.90-23,766.68-10,313.21

Finding the Fourth Proportional to 15,855.90, 23,766.68 and 10,313.21

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Solution

The fourth proportional to 15,855.90, 23,766.68 and 10,313.21 is: 15,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855.90 : 23,766.68 = 10,313.21 : x
  2. Step 2: Convert to fraction form
    15,855.90/23,766.68 = 10,313.21/x
  3. Step 3: Cross multiply
    15,855.90x = 23,766.68 × 10,313.21
  4. Step 4: Simplify right side
    15,855.90x = 245,110,668.79
  5. Step 5: Solve for x
    x = 245,110,668.79/15,855.90
  6. Step 6: Final answer
    x = 15,458.64

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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.