Home / 19,558.22-26,980.35-12,376.05

Finding the Fourth Proportional to 19,558.22, 26,980.35 and 12,376.05

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Solution

The fourth proportional to 19,558.22, 26,980.35 and 12,376.05 is: 17,072.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.22 : 26,980.35 = 12,376.05 : x
  2. Step 2: Convert to fraction form
    19,558.22/26,980.35 = 12,376.05/x
  3. Step 3: Cross multiply
    19,558.22x = 26,980.35 × 12,376.05
  4. Step 4: Simplify right side
    19,558.22x = 333,910,261.79
  5. Step 5: Solve for x
    x = 333,910,261.79/19,558.22
  6. Step 6: Final answer
    x = 17,072.63

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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.