Home / 10,149.60-14,008.04-6,171.96

Finding the Fourth Proportional to 10,149.60, 14,008.04 and 6,171.96

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Solution

The fourth proportional to 10,149.60, 14,008.04 and 6,171.96 is: 8,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.60 : 14,008.04 = 6,171.96 : x
  2. Step 2: Convert to fraction form
    10,149.60/14,008.04 = 6,171.96/x
  3. Step 3: Cross multiply
    10,149.60x = 14,008.04 × 6,171.96
  4. Step 4: Simplify right side
    10,149.60x = 86,457,062.56
  5. Step 5: Solve for x
    x = 86,457,062.56/10,149.60
  6. Step 6: Final answer
    x = 8,518.27

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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.