Home / 12,195.48-16,824.18-10,698.90

Finding the Fourth Proportional to 12,195.48, 16,824.18 and 10,698.90

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Solution

The fourth proportional to 12,195.48, 16,824.18 and 10,698.90 is: 14,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.48 : 16,824.18 = 10,698.90 : x
  2. Step 2: Convert to fraction form
    12,195.48/16,824.18 = 10,698.90/x
  3. Step 3: Cross multiply
    12,195.48x = 16,824.18 × 10,698.90
  4. Step 4: Simplify right side
    12,195.48x = 180,000,219.40
  5. Step 5: Solve for x
    x = 180,000,219.40/12,195.48
  6. Step 6: Final answer
    x = 14,759.58

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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.