Home / 14,315.28-19,758.60-8,730.96

Finding the Fourth Proportional to 14,315.28, 19,758.60 and 8,730.96

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Solution

The fourth proportional to 14,315.28, 19,758.60 and 8,730.96 is: 12,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.28 : 19,758.60 = 8,730.96 : x
  2. Step 2: Convert to fraction form
    14,315.28/19,758.60 = 8,730.96/x
  3. Step 3: Cross multiply
    14,315.28x = 19,758.60 × 8,730.96
  4. Step 4: Simplify right side
    14,315.28x = 172,511,546.26
  5. Step 5: Solve for x
    x = 172,511,546.26/14,315.28
  6. Step 6: Final answer
    x = 12,050.87

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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.