Home / 19,272.96-26,590.08-12,099.84

Finding the Fourth Proportional to 19,272.96, 26,590.08 and 12,099.84

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Solution

The fourth proportional to 19,272.96, 26,590.08 and 12,099.84 is: 16,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272.96 : 26,590.08 = 12,099.84 : x
  2. Step 2: Convert to fraction form
    19,272.96/26,590.08 = 12,099.84/x
  3. Step 3: Cross multiply
    19,272.96x = 26,590.08 × 12,099.84
  4. Step 4: Simplify right side
    19,272.96x = 321,735,713.59
  5. Step 5: Solve for x
    x = 321,735,713.59/19,272.96
  6. Step 6: Final answer
    x = 16,693.63

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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.