Home / 10,864.14-16,268.63-9,104.52

Finding the Fourth Proportional to 10,864.14, 16,268.63 and 9,104.52

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Solution

The fourth proportional to 10,864.14, 16,268.63 and 9,104.52 is: 13,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.14 : 16,268.63 = 9,104.52 : x
  2. Step 2: Convert to fraction form
    10,864.14/16,268.63 = 9,104.52/x
  3. Step 3: Cross multiply
    10,864.14x = 16,268.63 × 9,104.52
  4. Step 4: Simplify right side
    10,864.14x = 148,118,021.69
  5. Step 5: Solve for x
    x = 148,118,021.69/10,864.14
  6. Step 6: Final answer
    x = 13,633.66

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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.