Home / 12,282.36-18,424.17-3,517.35

Finding the Fourth Proportional to 12,282.36, 18,424.17 and 3,517.35

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Solution

The fourth proportional to 12,282.36, 18,424.17 and 3,517.35 is: 5,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.36 : 18,424.17 = 3,517.35 : x
  2. Step 2: Convert to fraction form
    12,282.36/18,424.17 = 3,517.35/x
  3. Step 3: Cross multiply
    12,282.36x = 18,424.17 × 3,517.35
  4. Step 4: Simplify right side
    12,282.36x = 64,804,254.35
  5. Step 5: Solve for x
    x = 64,804,254.35/12,282.36
  6. Step 6: Final answer
    x = 5,276.21

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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.