Home / 19,405.36-26,780.04-10,908.96

Finding the Fourth Proportional to 19,405.36, 26,780.04 and 10,908.96

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Solution

The fourth proportional to 19,405.36, 26,780.04 and 10,908.96 is: 15,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.36 : 26,780.04 = 10,908.96 : x
  2. Step 2: Convert to fraction form
    19,405.36/26,780.04 = 10,908.96/x
  3. Step 3: Cross multiply
    19,405.36x = 26,780.04 × 10,908.96
  4. Step 4: Simplify right side
    19,405.36x = 292,142,385.16
  5. Step 5: Solve for x
    x = 292,142,385.16/19,405.36
  6. Step 6: Final answer
    x = 15,054.73

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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.