Home / 18,776.16-28,165.30-6,295.68

Finding the Fourth Proportional to 18,776.16, 28,165.30 and 6,295.68

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Solution

The fourth proportional to 18,776.16, 28,165.30 and 6,295.68 is: 9,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776.16 : 28,165.30 = 6,295.68 : x
  2. Step 2: Convert to fraction form
    18,776.16/28,165.30 = 6,295.68/x
  3. Step 3: Cross multiply
    18,776.16x = 28,165.30 × 6,295.68
  4. Step 4: Simplify right side
    18,776.16x = 177,319,715.90
  5. Step 5: Solve for x
    x = 177,319,715.90/18,776.16
  6. Step 6: Final answer
    x = 9,443.88

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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.