Home / 12,453.27-18,684.90-5,058.30

Finding the Fourth Proportional to 12,453.27, 18,684.90 and 5,058.30

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Solution

The fourth proportional to 12,453.27, 18,684.90 and 5,058.30 is: 7,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.27 : 18,684.90 = 5,058.30 : x
  2. Step 2: Convert to fraction form
    12,453.27/18,684.90 = 5,058.30/x
  3. Step 3: Cross multiply
    12,453.27x = 18,684.90 × 5,058.30
  4. Step 4: Simplify right side
    12,453.27x = 94,513,829.67
  5. Step 5: Solve for x
    x = 94,513,829.67/12,453.27
  6. Step 6: Final answer
    x = 7,589.48

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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.