Home / 16,818.80-25,242.60-7,473.20

Finding the Fourth Proportional to 16,818.80, 25,242.60 and 7,473.20

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Solution

The fourth proportional to 16,818.80, 25,242.60 and 7,473.20 is: 11,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.80 : 25,242.60 = 7,473.20 : x
  2. Step 2: Convert to fraction form
    16,818.80/25,242.60 = 7,473.20/x
  3. Step 3: Cross multiply
    16,818.80x = 25,242.60 × 7,473.20
  4. Step 4: Simplify right side
    16,818.80x = 188,642,998.32
  5. Step 5: Solve for x
    x = 188,642,998.32/16,818.80
  6. Step 6: Final answer
    x = 11,216.20

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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.