Home / 17,560.79-26,340.80-4,910.21

Finding the Fourth Proportional to 17,560.79, 26,340.80 and 4,910.21

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Solution

The fourth proportional to 17,560.79, 26,340.80 and 4,910.21 is: 7,365.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,560.79 : 26,340.80 = 4,910.21 : x
  2. Step 2: Convert to fraction form
    17,560.79/26,340.80 = 4,910.21/x
  3. Step 3: Cross multiply
    17,560.79x = 26,340.80 × 4,910.21
  4. Step 4: Simplify right side
    17,560.79x = 129,338,859.57
  5. Step 5: Solve for x
    x = 129,338,859.57/17,560.79
  6. Step 6: Final answer
    x = 7,365.21

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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.