Home / 11,823.80-16,313.90-7,627

Finding the Fourth Proportional to 11,823.80, 16,313.90 and 7,627

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Solution

The fourth proportional to 11,823.80, 16,313.90 and 7,627 is: 10,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.80 : 16,313.90 = 7,627 : x
  2. Step 2: Convert to fraction form
    11,823.80/16,313.90 = 7,627/x
  3. Step 3: Cross multiply
    11,823.80x = 16,313.90 × 7,627
  4. Step 4: Simplify right side
    11,823.80x = 124,426,115.30
  5. Step 5: Solve for x
    x = 124,426,115.30/11,823.80
  6. Step 6: Final answer
    x = 10,523.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.