Home / 12,434.54-18,653.63-3,668.31

Finding the Fourth Proportional to 12,434.54, 18,653.63 and 3,668.31

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Solution

The fourth proportional to 12,434.54, 18,653.63 and 3,668.31 is: 5,503.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.54 : 18,653.63 = 3,668.31 : x
  2. Step 2: Convert to fraction form
    12,434.54/18,653.63 = 3,668.31/x
  3. Step 3: Cross multiply
    12,434.54x = 18,653.63 × 3,668.31
  4. Step 4: Simplify right side
    12,434.54x = 68,427,279.12
  5. Step 5: Solve for x
    x = 68,427,279.12/12,434.54
  6. Step 6: Final answer
    x = 5,503.00

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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.