Home / 20,070.96-30,090.03-7,583.91

Finding the Fourth Proportional to 20,070.96, 30,090.03 and 7,583.91

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Solution

The fourth proportional to 20,070.96, 30,090.03 and 7,583.91 is: 11,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.96 : 30,090.03 = 7,583.91 : x
  2. Step 2: Convert to fraction form
    20,070.96/30,090.03 = 7,583.91/x
  3. Step 3: Cross multiply
    20,070.96x = 30,090.03 × 7,583.91
  4. Step 4: Simplify right side
    20,070.96x = 228,200,079.42
  5. Step 5: Solve for x
    x = 228,200,079.42/20,070.96
  6. Step 6: Final answer
    x = 11,369.66

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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.