Home / 14,000.03-20,979.45-8,078.70

Finding the Fourth Proportional to 14,000.03, 20,979.45 and 8,078.70

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Solution

The fourth proportional to 14,000.03, 20,979.45 and 8,078.70 is: 12,106.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.03 : 20,979.45 = 8,078.70 : x
  2. Step 2: Convert to fraction form
    14,000.03/20,979.45 = 8,078.70/x
  3. Step 3: Cross multiply
    14,000.03x = 20,979.45 × 8,078.70
  4. Step 4: Simplify right side
    14,000.03x = 169,486,682.72
  5. Step 5: Solve for x
    x = 169,486,682.72/14,000.03
  6. Step 6: Final answer
    x = 12,106.17

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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.