Home / 18,866.24-28,281.36-7,016.88

Finding the Fourth Proportional to 18,866.24, 28,281.36 and 7,016.88

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Solution

The fourth proportional to 18,866.24, 28,281.36 and 7,016.88 is: 10,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.24 : 28,281.36 = 7,016.88 : x
  2. Step 2: Convert to fraction form
    18,866.24/28,281.36 = 7,016.88/x
  3. Step 3: Cross multiply
    18,866.24x = 28,281.36 × 7,016.88
  4. Step 4: Simplify right side
    18,866.24x = 198,446,909.36
  5. Step 5: Solve for x
    x = 198,446,909.36/18,866.24
  6. Step 6: Final answer
    x = 10,518.63

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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.