Home / 12,435.48-18,628.25-6,176.57

Finding the Fourth Proportional to 12,435.48, 18,628.25 and 6,176.57

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Solution

The fourth proportional to 12,435.48, 18,628.25 and 6,176.57 is: 9,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.48 : 18,628.25 = 6,176.57 : x
  2. Step 2: Convert to fraction form
    12,435.48/18,628.25 = 6,176.57/x
  3. Step 3: Cross multiply
    12,435.48x = 18,628.25 × 6,176.57
  4. Step 4: Simplify right side
    12,435.48x = 115,058,566.08
  5. Step 5: Solve for x
    x = 115,058,566.08/12,435.48
  6. Step 6: Final answer
    x = 9,252.44

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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.