Home / 20,460.06-30,690.96-5,668.62

Finding the Fourth Proportional to 20,460.06, 30,690.96 and 5,668.62

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Solution

The fourth proportional to 20,460.06, 30,690.96 and 5,668.62 is: 8,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460.06 : 30,690.96 = 5,668.62 : x
  2. Step 2: Convert to fraction form
    20,460.06/30,690.96 = 5,668.62/x
  3. Step 3: Cross multiply
    20,460.06x = 30,690.96 × 5,668.62
  4. Step 4: Simplify right side
    20,460.06x = 173,975,389.68
  5. Step 5: Solve for x
    x = 173,975,389.68/20,460.06
  6. Step 6: Final answer
    x = 8,503.17

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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.