Home / 19,425.74-26,809.60-11,876.50

Finding the Fourth Proportional to 19,425.74, 26,809.60 and 11,876.50

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Solution

The fourth proportional to 19,425.74, 26,809.60 and 11,876.50 is: 16,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.74 : 26,809.60 = 11,876.50 : x
  2. Step 2: Convert to fraction form
    19,425.74/26,809.60 = 11,876.50/x
  3. Step 3: Cross multiply
    19,425.74x = 26,809.60 × 11,876.50
  4. Step 4: Simplify right side
    19,425.74x = 318,404,214.40
  5. Step 5: Solve for x
    x = 318,404,214.40/19,425.74
  6. Step 6: Final answer
    x = 16,390.84

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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.