Home / 17,470.20-26,208.76-4,990.33

Finding the Fourth Proportional to 17,470.20, 26,208.76 and 4,990.33

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Solution

The fourth proportional to 17,470.20, 26,208.76 and 4,990.33 is: 7,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,470.20 : 26,208.76 = 4,990.33 : x
  2. Step 2: Convert to fraction form
    17,470.20/26,208.76 = 4,990.33/x
  3. Step 3: Cross multiply
    17,470.20x = 26,208.76 × 4,990.33
  4. Step 4: Simplify right side
    17,470.20x = 130,790,427.57
  5. Step 5: Solve for x
    x = 130,790,427.57/17,470.20
  6. Step 6: Final answer
    x = 7,486.49

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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.