Home / 18,530.58-25,574.67-10,976.30

Finding the Fourth Proportional to 18,530.58, 25,574.67 and 10,976.30

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Solution

The fourth proportional to 18,530.58, 25,574.67 and 10,976.30 is: 15,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.58 : 25,574.67 = 10,976.30 : x
  2. Step 2: Convert to fraction form
    18,530.58/25,574.67 = 10,976.30/x
  3. Step 3: Cross multiply
    18,530.58x = 25,574.67 × 10,976.30
  4. Step 4: Simplify right side
    18,530.58x = 280,715,250.32
  5. Step 5: Solve for x
    x = 280,715,250.32/18,530.58
  6. Step 6: Final answer
    x = 15,148.76

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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.