Home / 15,262.09-21,062.45-9,292.80

Finding the Fourth Proportional to 15,262.09, 21,062.45 and 9,292.80

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Solution

The fourth proportional to 15,262.09, 21,062.45 and 9,292.80 is: 12,824.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.09 : 21,062.45 = 9,292.80 : x
  2. Step 2: Convert to fraction form
    15,262.09/21,062.45 = 9,292.80/x
  3. Step 3: Cross multiply
    15,262.09x = 21,062.45 × 9,292.80
  4. Step 4: Simplify right side
    15,262.09x = 195,729,135.36
  5. Step 5: Solve for x
    x = 195,729,135.36/15,262.09
  6. Step 6: Final answer
    x = 12,824.53

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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.