Home / 20,284.65-30,438.43-10,924.47

Finding the Fourth Proportional to 20,284.65, 30,438.43 and 10,924.47

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Solution

The fourth proportional to 20,284.65, 30,438.43 and 10,924.47 is: 16,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,284.65 : 30,438.43 = 10,924.47 : x
  2. Step 2: Convert to fraction form
    20,284.65/30,438.43 = 10,924.47/x
  3. Step 3: Cross multiply
    20,284.65x = 30,438.43 × 10,924.47
  4. Step 4: Simplify right side
    20,284.65x = 332,523,715.38
  5. Step 5: Solve for x
    x = 332,523,715.38/20,284.65
  6. Step 6: Final answer
    x = 16,392.87

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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.