Home / 10,668.06-15,987.54-6,765.48

Finding the Fourth Proportional to 10,668.06, 15,987.54 and 6,765.48

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Solution

The fourth proportional to 10,668.06, 15,987.54 and 6,765.48 is: 10,138.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.06 : 15,987.54 = 6,765.48 : x
  2. Step 2: Convert to fraction form
    10,668.06/15,987.54 = 6,765.48/x
  3. Step 3: Cross multiply
    10,668.06x = 15,987.54 × 6,765.48
  4. Step 4: Simplify right side
    10,668.06x = 108,163,382.12
  5. Step 5: Solve for x
    x = 108,163,382.12/10,668.06
  6. Step 6: Final answer
    x = 10,138.99

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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.