Home / 20,323.65-30,488.31-6,284.82

Finding the Fourth Proportional to 20,323.65, 30,488.31 and 6,284.82

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Solution

The fourth proportional to 20,323.65, 30,488.31 and 6,284.82 is: 9,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.65 : 30,488.31 = 6,284.82 : x
  2. Step 2: Convert to fraction form
    20,323.65/30,488.31 = 6,284.82/x
  3. Step 3: Cross multiply
    20,323.65x = 30,488.31 × 6,284.82
  4. Step 4: Simplify right side
    20,323.65x = 191,613,540.45
  5. Step 5: Solve for x
    x = 191,613,540.45/20,323.65
  6. Step 6: Final answer
    x = 9,428.11

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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.