Home / 10,380.60-14,325.30-5,664.96

Finding the Fourth Proportional to 10,380.60, 14,325.30 and 5,664.96

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Solution

The fourth proportional to 10,380.60, 14,325.30 and 5,664.96 is: 7,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.60 : 14,325.30 = 5,664.96 : x
  2. Step 2: Convert to fraction form
    10,380.60/14,325.30 = 5,664.96/x
  3. Step 3: Cross multiply
    10,380.60x = 14,325.30 × 5,664.96
  4. Step 4: Simplify right side
    10,380.60x = 81,152,251.49
  5. Step 5: Solve for x
    x = 81,152,251.49/10,380.60
  6. Step 6: Final answer
    x = 7,817.68

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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.