Home / 18,276.69-25,221.32-10,319.65

Finding the Fourth Proportional to 18,276.69, 25,221.32 and 10,319.65

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Solution

The fourth proportional to 18,276.69, 25,221.32 and 10,319.65 is: 14,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.69 : 25,221.32 = 10,319.65 : x
  2. Step 2: Convert to fraction form
    18,276.69/25,221.32 = 10,319.65/x
  3. Step 3: Cross multiply
    18,276.69x = 25,221.32 × 10,319.65
  4. Step 4: Simplify right side
    18,276.69x = 260,275,143.34
  5. Step 5: Solve for x
    x = 260,275,143.34/18,276.69
  6. Step 6: Final answer
    x = 14,240.83

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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.