Home / 10,810.20-16,196.10-8,851.80

Finding the Fourth Proportional to 10,810.20, 16,196.10 and 8,851.80

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Solution

The fourth proportional to 10,810.20, 16,196.10 and 8,851.80 is: 13,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.20 : 16,196.10 = 8,851.80 : x
  2. Step 2: Convert to fraction form
    10,810.20/16,196.10 = 8,851.80/x
  3. Step 3: Cross multiply
    10,810.20x = 16,196.10 × 8,851.80
  4. Step 4: Simplify right side
    10,810.20x = 143,364,637.98
  5. Step 5: Solve for x
    x = 143,364,637.98/10,810.20
  6. Step 6: Final answer
    x = 13,261.98

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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.