Home / 22,215.42-30,661.59-14,267.70

Finding the Fourth Proportional to 22,215.42, 30,661.59 and 14,267.70

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Solution

The fourth proportional to 22,215.42, 30,661.59 and 14,267.70 is: 19,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,215.42 : 30,661.59 = 14,267.70 : x
  2. Step 2: Convert to fraction form
    22,215.42/30,661.59 = 14,267.70/x
  3. Step 3: Cross multiply
    22,215.42x = 30,661.59 × 14,267.70
  4. Step 4: Simplify right side
    22,215.42x = 437,470,367.64
  5. Step 5: Solve for x
    x = 437,470,367.64/22,215.42
  6. Step 6: Final answer
    x = 19,692.19

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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.