Home / 12,397.49-18,596.20-4,500

Finding the Fourth Proportional to 12,397.49, 18,596.20 and 4,500

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Solution

The fourth proportional to 12,397.49, 18,596.20 and 4,500 is: 6,749.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.49 : 18,596.20 = 4,500 : x
  2. Step 2: Convert to fraction form
    12,397.49/18,596.20 = 4,500/x
  3. Step 3: Cross multiply
    12,397.49x = 18,596.20 × 4,500
  4. Step 4: Simplify right side
    12,397.49x = 83,682,905.63
  5. Step 5: Solve for x
    x = 83,682,905.63/12,397.49
  6. Step 6: Final answer
    x = 6,749.99

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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.