Home / 10,684.04-16,029.50-5,137.80

Finding the Fourth Proportional to 10,684.04, 16,029.50 and 5,137.80

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Solution

The fourth proportional to 10,684.04, 16,029.50 and 5,137.80 is: 7,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.04 : 16,029.50 = 5,137.80 : x
  2. Step 2: Convert to fraction form
    10,684.04/16,029.50 = 5,137.80/x
  3. Step 3: Cross multiply
    10,684.04x = 16,029.50 × 5,137.80
  4. Step 4: Simplify right side
    10,684.04x = 82,356,365.10
  5. Step 5: Solve for x
    x = 82,356,365.10/10,684.04
  6. Step 6: Final answer
    x = 7,708.35

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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.