Home / 17,260.50-23,809.77-11,290.80

Finding the Fourth Proportional to 17,260.50, 23,809.77 and 11,290.80

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Solution

The fourth proportional to 17,260.50, 23,809.77 and 11,290.80 is: 15,574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,260.50 : 23,809.77 = 11,290.80 : x
  2. Step 2: Convert to fraction form
    17,260.50/23,809.77 = 11,290.80/x
  3. Step 3: Cross multiply
    17,260.50x = 23,809.77 × 11,290.80
  4. Step 4: Simplify right side
    17,260.50x = 268,831,351.12
  5. Step 5: Solve for x
    x = 268,831,351.12/17,260.50
  6. Step 6: Final answer
    x = 15,574.95

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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.