Home / 18,890.82-26,068.91-12,922.27

Finding the Fourth Proportional to 18,890.82, 26,068.91 and 12,922.27

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Solution

The fourth proportional to 18,890.82, 26,068.91 and 12,922.27 is: 17,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.82 : 26,068.91 = 12,922.27 : x
  2. Step 2: Convert to fraction form
    18,890.82/26,068.91 = 12,922.27/x
  3. Step 3: Cross multiply
    18,890.82x = 26,068.91 × 12,922.27
  4. Step 4: Simplify right side
    18,890.82x = 336,869,363.84
  5. Step 5: Solve for x
    x = 336,869,363.84/18,890.82
  6. Step 6: Final answer
    x = 17,832.44

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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.