Home / 11,633.60-16,051.04-7,438.40

Finding the Fourth Proportional to 11,633.60, 16,051.04 and 7,438.40

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Solution

The fourth proportional to 11,633.60, 16,051.04 and 7,438.40 is: 10,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,633.60 : 16,051.04 = 7,438.40 : x
  2. Step 2: Convert to fraction form
    11,633.60/16,051.04 = 7,438.40/x
  3. Step 3: Cross multiply
    11,633.60x = 16,051.04 × 7,438.40
  4. Step 4: Simplify right side
    11,633.60x = 119,394,055.94
  5. Step 5: Solve for x
    x = 119,394,055.94/11,633.60
  6. Step 6: Final answer
    x = 10,262.86

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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.