Home / 18,928.14-26,126.96-12,208.59

Finding the Fourth Proportional to 18,928.14, 26,126.96 and 12,208.59

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Solution

The fourth proportional to 18,928.14, 26,126.96 and 12,208.59 is: 16,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928.14 : 26,126.96 = 12,208.59 : x
  2. Step 2: Convert to fraction form
    18,928.14/26,126.96 = 12,208.59/x
  3. Step 3: Cross multiply
    18,928.14x = 26,126.96 × 12,208.59
  4. Step 4: Simplify right side
    18,928.14x = 318,973,248.58
  5. Step 5: Solve for x
    x = 318,973,248.58/18,928.14
  6. Step 6: Final answer
    x = 16,851.80

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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.