Home / 12,423.37-18,638.30-4,632.25

Finding the Fourth Proportional to 12,423.37, 18,638.30 and 4,632.25

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Solution

The fourth proportional to 12,423.37, 18,638.30 and 4,632.25 is: 6,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.37 : 18,638.30 = 4,632.25 : x
  2. Step 2: Convert to fraction form
    12,423.37/18,638.30 = 4,632.25/x
  3. Step 3: Cross multiply
    12,423.37x = 18,638.30 × 4,632.25
  4. Step 4: Simplify right side
    12,423.37x = 86,337,242.01
  5. Step 5: Solve for x
    x = 86,337,242.01/12,423.37
  6. Step 6: Final answer
    x = 6,949.58

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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.