Home / 16,860.40-25,319.40-11,042.80

Finding the Fourth Proportional to 16,860.40, 25,319.40 and 11,042.80

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Solution

The fourth proportional to 16,860.40, 25,319.40 and 11,042.80 is: 16,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.40 : 25,319.40 = 11,042.80 : x
  2. Step 2: Convert to fraction form
    16,860.40/25,319.40 = 11,042.80/x
  3. Step 3: Cross multiply
    16,860.40x = 25,319.40 × 11,042.80
  4. Step 4: Simplify right side
    16,860.40x = 279,597,070.32
  5. Step 5: Solve for x
    x = 279,597,070.32/16,860.40
  6. Step 6: Final answer
    x = 16,583.06

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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.