Home / 18,763.58-28,148.80-6,282.38

Finding the Fourth Proportional to 18,763.58, 28,148.80 and 6,282.38

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Solution

The fourth proportional to 18,763.58, 28,148.80 and 6,282.38 is: 9,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.58 : 28,148.80 = 6,282.38 : x
  2. Step 2: Convert to fraction form
    18,763.58/28,148.80 = 6,282.38/x
  3. Step 3: Cross multiply
    18,763.58x = 28,148.80 × 6,282.38
  4. Step 4: Simplify right side
    18,763.58x = 176,841,458.14
  5. Step 5: Solve for x
    x = 176,841,458.14/18,763.58
  6. Step 6: Final answer
    x = 9,424.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.