Home / 22,187.03-30,619.35-12,116.41

Finding the Fourth Proportional to 22,187.03, 30,619.35 and 12,116.41

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Solution

The fourth proportional to 22,187.03, 30,619.35 and 12,116.41 is: 16,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.03 : 30,619.35 = 12,116.41 : x
  2. Step 2: Convert to fraction form
    22,187.03/30,619.35 = 12,116.41/x
  3. Step 3: Cross multiply
    22,187.03x = 30,619.35 × 12,116.41
  4. Step 4: Simplify right side
    22,187.03x = 370,996,521.99
  5. Step 5: Solve for x
    x = 370,996,521.99/22,187.03
  6. Step 6: Final answer
    x = 16,721.32

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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.