Home / 19,410.66-26,780.49-11,962.98

Finding the Fourth Proportional to 19,410.66, 26,780.49 and 11,962.98

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Solution

The fourth proportional to 19,410.66, 26,780.49 and 11,962.98 is: 16,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.66 : 26,780.49 = 11,962.98 : x
  2. Step 2: Convert to fraction form
    19,410.66/26,780.49 = 11,962.98/x
  3. Step 3: Cross multiply
    19,410.66x = 26,780.49 × 11,962.98
  4. Step 4: Simplify right side
    19,410.66x = 320,374,466.26
  5. Step 5: Solve for x
    x = 320,374,466.26/19,410.66
  6. Step 6: Final answer
    x = 16,505.08

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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.