Home / 19,127.80-26,387.26-12,757.33

Finding the Fourth Proportional to 19,127.80, 26,387.26 and 12,757.33

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Solution

The fourth proportional to 19,127.80, 26,387.26 and 12,757.33 is: 17,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.80 : 26,387.26 = 12,757.33 : x
  2. Step 2: Convert to fraction form
    19,127.80/26,387.26 = 12,757.33/x
  3. Step 3: Cross multiply
    19,127.80x = 26,387.26 × 12,757.33
  4. Step 4: Simplify right side
    19,127.80x = 336,630,983.62
  5. Step 5: Solve for x
    x = 336,630,983.62/19,127.80
  6. Step 6: Final answer
    x = 17,599.04

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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.