Home / 19,121.58-26,387.10-10,623.60

Finding the Fourth Proportional to 19,121.58, 26,387.10 and 10,623.60

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Solution

The fourth proportional to 19,121.58, 26,387.10 and 10,623.60 is: 14,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.58 : 26,387.10 = 10,623.60 : x
  2. Step 2: Convert to fraction form
    19,121.58/26,387.10 = 10,623.60/x
  3. Step 3: Cross multiply
    19,121.58x = 26,387.10 × 10,623.60
  4. Step 4: Simplify right side
    19,121.58x = 280,325,995.56
  5. Step 5: Solve for x
    x = 280,325,995.56/19,121.58
  6. Step 6: Final answer
    x = 14,660.19

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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.