Home / 12,031.20-18,059.76-8,583.84

Finding the Fourth Proportional to 12,031.20, 18,059.76 and 8,583.84

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Solution

The fourth proportional to 12,031.20, 18,059.76 and 8,583.84 is: 12,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.20 : 18,059.76 = 8,583.84 : x
  2. Step 2: Convert to fraction form
    12,031.20/18,059.76 = 8,583.84/x
  3. Step 3: Cross multiply
    12,031.20x = 18,059.76 × 8,583.84
  4. Step 4: Simplify right side
    12,031.20x = 155,022,090.28
  5. Step 5: Solve for x
    x = 155,022,090.28/12,031.20
  6. Step 6: Final answer
    x = 12,885.01

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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.