Home / 10,766.76-16,055.92-10,668.34

Finding the Fourth Proportional to 10,766.76, 16,055.92 and 10,668.34

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Solution

The fourth proportional to 10,766.76, 16,055.92 and 10,668.34 is: 15,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.76 : 16,055.92 = 10,668.34 : x
  2. Step 2: Convert to fraction form
    10,766.76/16,055.92 = 10,668.34/x
  3. Step 3: Cross multiply
    10,766.76x = 16,055.92 × 10,668.34
  4. Step 4: Simplify right side
    10,766.76x = 171,289,960.23
  5. Step 5: Solve for x
    x = 171,289,960.23/10,766.76
  6. Step 6: Final answer
    x = 15,909.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.