Home / 10,681.45-16,022.18-2,890.87

Finding the Fourth Proportional to 10,681.45, 16,022.18 and 2,890.87

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Solution

The fourth proportional to 10,681.45, 16,022.18 and 2,890.87 is: 4,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.45 : 16,022.18 = 2,890.87 : x
  2. Step 2: Convert to fraction form
    10,681.45/16,022.18 = 2,890.87/x
  3. Step 3: Cross multiply
    10,681.45x = 16,022.18 × 2,890.87
  4. Step 4: Simplify right side
    10,681.45x = 46,318,039.50
  5. Step 5: Solve for x
    x = 46,318,039.50/10,681.45
  6. Step 6: Final answer
    x = 4,336.31

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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.