Home / 12,211.52-18,315.06-3,444.36

Finding the Fourth Proportional to 12,211.52, 18,315.06 and 3,444.36

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Solution

The fourth proportional to 12,211.52, 18,315.06 and 3,444.36 is: 5,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.52 : 18,315.06 = 3,444.36 : x
  2. Step 2: Convert to fraction form
    12,211.52/18,315.06 = 3,444.36/x
  3. Step 3: Cross multiply
    12,211.52x = 18,315.06 × 3,444.36
  4. Step 4: Simplify right side
    12,211.52x = 63,083,660.06
  5. Step 5: Solve for x
    x = 63,083,660.06/12,211.52
  6. Step 6: Final answer
    x = 5,165.91

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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.