Home / 19,208.48-26,500.56-12,910.88

Finding the Fourth Proportional to 19,208.48, 26,500.56 and 12,910.88

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Solution

The fourth proportional to 19,208.48, 26,500.56 and 12,910.88 is: 17,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.48 : 26,500.56 = 12,910.88 : x
  2. Step 2: Convert to fraction form
    19,208.48/26,500.56 = 12,910.88/x
  3. Step 3: Cross multiply
    19,208.48x = 26,500.56 × 12,910.88
  4. Step 4: Simplify right side
    19,208.48x = 342,145,550.09
  5. Step 5: Solve for x
    x = 342,145,550.09/19,208.48
  6. Step 6: Final answer
    x = 17,812.21

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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.