Home / 14,380.46-19,847.79-8,718.30

Finding the Fourth Proportional to 14,380.46, 19,847.79 and 8,718.30

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Solution

The fourth proportional to 14,380.46, 19,847.79 and 8,718.30 is: 12,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.46 : 19,847.79 = 8,718.30 : x
  2. Step 2: Convert to fraction form
    14,380.46/19,847.79 = 8,718.30/x
  3. Step 3: Cross multiply
    14,380.46x = 19,847.79 × 8,718.30
  4. Step 4: Simplify right side
    14,380.46x = 173,039,000.34
  5. Step 5: Solve for x
    x = 173,039,000.34/14,380.46
  6. Step 6: Final answer
    x = 12,032.92

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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.