Home / 12,282.56-18,417.06-4,383.80

Finding the Fourth Proportional to 12,282.56, 18,417.06 and 4,383.80

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Solution

The fourth proportional to 12,282.56, 18,417.06 and 4,383.80 is: 6,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.56 : 18,417.06 = 4,383.80 : x
  2. Step 2: Convert to fraction form
    12,282.56/18,417.06 = 4,383.80/x
  3. Step 3: Cross multiply
    12,282.56x = 18,417.06 × 4,383.80
  4. Step 4: Simplify right side
    12,282.56x = 80,736,707.63
  5. Step 5: Solve for x
    x = 80,736,707.63/12,282.56
  6. Step 6: Final answer
    x = 6,573.28

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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.