Home / 20,460.04-30,691.80-5,668.96

Finding the Fourth Proportional to 20,460.04, 30,691.80 and 5,668.96

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Solution

The fourth proportional to 20,460.04, 30,691.80 and 5,668.96 is: 8,503.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460.04 : 30,691.80 = 5,668.96 : x
  2. Step 2: Convert to fraction form
    20,460.04/30,691.80 = 5,668.96/x
  3. Step 3: Cross multiply
    20,460.04x = 30,691.80 × 5,668.96
  4. Step 4: Simplify right side
    20,460.04x = 173,990,586.53
  5. Step 5: Solve for x
    x = 173,990,586.53/20,460.04
  6. Step 6: Final answer
    x = 8,503.92

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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.