Home / 14,370.39-19,833.50-8,400.89

Finding the Fourth Proportional to 14,370.39, 19,833.50 and 8,400.89

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Solution

The fourth proportional to 14,370.39, 19,833.50 and 8,400.89 is: 11,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.39 : 19,833.50 = 8,400.89 : x
  2. Step 2: Convert to fraction form
    14,370.39/19,833.50 = 8,400.89/x
  3. Step 3: Cross multiply
    14,370.39x = 19,833.50 × 8,400.89
  4. Step 4: Simplify right side
    14,370.39x = 166,619,051.82
  5. Step 5: Solve for x
    x = 166,619,051.82/14,370.39
  6. Step 6: Final answer
    x = 11,594.61

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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.