Home / 10,893.36-16,318.80-5,686.68

Finding the Fourth Proportional to 10,893.36, 16,318.80 and 5,686.68

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Solution

The fourth proportional to 10,893.36, 16,318.80 and 5,686.68 is: 8,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.36 : 16,318.80 = 5,686.68 : x
  2. Step 2: Convert to fraction form
    10,893.36/16,318.80 = 5,686.68/x
  3. Step 3: Cross multiply
    10,893.36x = 16,318.80 × 5,686.68
  4. Step 4: Simplify right side
    10,893.36x = 92,799,793.58
  5. Step 5: Solve for x
    x = 92,799,793.58/10,893.36
  6. Step 6: Final answer
    x = 8,518.93

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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.