Home / 12,423.34-18,636.90-4,104.24

Finding the Fourth Proportional to 12,423.34, 18,636.90 and 4,104.24

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Solution

The fourth proportional to 12,423.34, 18,636.90 and 4,104.24 is: 6,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.34 : 18,636.90 = 4,104.24 : x
  2. Step 2: Convert to fraction form
    12,423.34/18,636.90 = 4,104.24/x
  3. Step 3: Cross multiply
    12,423.34x = 18,636.90 × 4,104.24
  4. Step 4: Simplify right side
    12,423.34x = 76,490,310.46
  5. Step 5: Solve for x
    x = 76,490,310.46/12,423.34
  6. Step 6: Final answer
    x = 6,156.98

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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.