Home / 22,055.40-30,436.50-11,983.74

Finding the Fourth Proportional to 22,055.40, 30,436.50 and 11,983.74

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Solution

The fourth proportional to 22,055.40, 30,436.50 and 11,983.74 is: 16,537.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.40 : 30,436.50 = 11,983.74 : x
  2. Step 2: Convert to fraction form
    22,055.40/30,436.50 = 11,983.74/x
  3. Step 3: Cross multiply
    22,055.40x = 30,436.50 × 11,983.74
  4. Step 4: Simplify right side
    22,055.40x = 364,743,102.51
  5. Step 5: Solve for x
    x = 364,743,102.51/22,055.40
  6. Step 6: Final answer
    x = 16,537.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.