Home / 10,297.96-14,200.52-8,810.80

Finding the Fourth Proportional to 10,297.96, 14,200.52 and 8,810.80

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Solution

The fourth proportional to 10,297.96, 14,200.52 and 8,810.80 is: 12,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297.96 : 14,200.52 = 8,810.80 : x
  2. Step 2: Convert to fraction form
    10,297.96/14,200.52 = 8,810.80/x
  3. Step 3: Cross multiply
    10,297.96x = 14,200.52 × 8,810.80
  4. Step 4: Simplify right side
    10,297.96x = 125,117,941.62
  5. Step 5: Solve for x
    x = 125,117,941.62/10,297.96
  6. Step 6: Final answer
    x = 12,149.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.