Home / 17,142.86-25,703.91-11,212.59

Finding the Fourth Proportional to 17,142.86, 25,703.91 and 11,212.59

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Solution

The fourth proportional to 17,142.86, 25,703.91 and 11,212.59 is: 16,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.86 : 25,703.91 = 11,212.59 : x
  2. Step 2: Convert to fraction form
    17,142.86/25,703.91 = 11,212.59/x
  3. Step 3: Cross multiply
    17,142.86x = 25,703.91 × 11,212.59
  4. Step 4: Simplify right side
    17,142.86x = 288,207,275.71
  5. Step 5: Solve for x
    x = 288,207,275.71/17,142.86
  6. Step 6: Final answer
    x = 16,812.09

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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.