Home / 19,122.80-26,389.41-10,624.88

Finding the Fourth Proportional to 19,122.80, 26,389.41 and 10,624.88

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Solution

The fourth proportional to 19,122.80, 26,389.41 and 10,624.88 is: 14,662.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.80 : 26,389.41 = 10,624.88 : x
  2. Step 2: Convert to fraction form
    19,122.80/26,389.41 = 10,624.88/x
  3. Step 3: Cross multiply
    19,122.80x = 26,389.41 × 10,624.88
  4. Step 4: Simplify right side
    19,122.80x = 280,384,340.65
  5. Step 5: Solve for x
    x = 280,384,340.65/19,122.80
  6. Step 6: Final answer
    x = 14,662.31

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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.