Home / 12,648.35-18,973.44-3,882.13

Finding the Fourth Proportional to 12,648.35, 18,973.44 and 3,882.13

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Solution

The fourth proportional to 12,648.35, 18,973.44 and 3,882.13 is: 5,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648.35 : 18,973.44 = 3,882.13 : x
  2. Step 2: Convert to fraction form
    12,648.35/18,973.44 = 3,882.13/x
  3. Step 3: Cross multiply
    12,648.35x = 18,973.44 × 3,882.13
  4. Step 4: Simplify right side
    12,648.35x = 73,657,313.19
  5. Step 5: Solve for x
    x = 73,657,313.19/12,648.35
  6. Step 6: Final answer
    x = 5,823.47

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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.