Home / 10,810.80-16,193.64-5,600.88

Finding the Fourth Proportional to 10,810.80, 16,193.64 and 5,600.88

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Solution

The fourth proportional to 10,810.80, 16,193.64 and 5,600.88 is: 8,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.80 : 16,193.64 = 5,600.88 : x
  2. Step 2: Convert to fraction form
    10,810.80/16,193.64 = 5,600.88/x
  3. Step 3: Cross multiply
    10,810.80x = 16,193.64 × 5,600.88
  4. Step 4: Simplify right side
    10,810.80x = 90,698,634.40
  5. Step 5: Solve for x
    x = 90,698,634.40/10,810.80
  6. Step 6: Final answer
    x = 8,389.63

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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.