Home / 18,457.26-25,470.12-10,390.44

Finding the Fourth Proportional to 18,457.26, 25,470.12 and 10,390.44

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Solution

The fourth proportional to 18,457.26, 25,470.12 and 10,390.44 is: 14,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.26 : 25,470.12 = 10,390.44 : x
  2. Step 2: Convert to fraction form
    18,457.26/25,470.12 = 10,390.44/x
  3. Step 3: Cross multiply
    18,457.26x = 25,470.12 × 10,390.44
  4. Step 4: Simplify right side
    18,457.26x = 264,645,753.65
  5. Step 5: Solve for x
    x = 264,645,753.65/18,457.26
  6. Step 6: Final answer
    x = 14,338.30

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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.