Home / 19,080.40-26,331.84-11,914.55

Finding the Fourth Proportional to 19,080.40, 26,331.84 and 11,914.55

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Solution

The fourth proportional to 19,080.40, 26,331.84 and 11,914.55 is: 16,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.40 : 26,331.84 = 11,914.55 : x
  2. Step 2: Convert to fraction form
    19,080.40/26,331.84 = 11,914.55/x
  3. Step 3: Cross multiply
    19,080.40x = 26,331.84 × 11,914.55
  4. Step 4: Simplify right side
    19,080.40x = 313,732,024.27
  5. Step 5: Solve for x
    x = 313,732,024.27/19,080.40
  6. Step 6: Final answer
    x = 16,442.64

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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.