Home / 12,423.96-18,636.65-5,028.25

Finding the Fourth Proportional to 12,423.96, 18,636.65 and 5,028.25

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Solution

The fourth proportional to 12,423.96, 18,636.65 and 5,028.25 is: 7,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.96 : 18,636.65 = 5,028.25 : x
  2. Step 2: Convert to fraction form
    12,423.96/18,636.65 = 5,028.25/x
  3. Step 3: Cross multiply
    12,423.96x = 18,636.65 × 5,028.25
  4. Step 4: Simplify right side
    12,423.96x = 93,709,735.36
  5. Step 5: Solve for x
    x = 93,709,735.36/12,423.96
  6. Step 6: Final answer
    x = 7,542.66

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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.