Home / 10,284.46-15,423.51-3,709.80

Finding the Fourth Proportional to 10,284.46, 15,423.51 and 3,709.80

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Solution

The fourth proportional to 10,284.46, 15,423.51 and 3,709.80 is: 5,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.46 : 15,423.51 = 3,709.80 : x
  2. Step 2: Convert to fraction form
    10,284.46/15,423.51 = 3,709.80/x
  3. Step 3: Cross multiply
    10,284.46x = 15,423.51 × 3,709.80
  4. Step 4: Simplify right side
    10,284.46x = 57,218,137.40
  5. Step 5: Solve for x
    x = 57,218,137.40/10,284.46
  6. Step 6: Final answer
    x = 5,563.55

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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.