Home / 15,323.09-21,127.46-11,067.35

Finding the Fourth Proportional to 15,323.09, 21,127.46 and 11,067.35

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Solution

The fourth proportional to 15,323.09, 21,127.46 and 11,067.35 is: 15,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.09 : 21,127.46 = 11,067.35 : x
  2. Step 2: Convert to fraction form
    15,323.09/21,127.46 = 11,067.35/x
  3. Step 3: Cross multiply
    15,323.09x = 21,127.46 × 11,067.35
  4. Step 4: Simplify right side
    15,323.09x = 233,824,888.79
  5. Step 5: Solve for x
    x = 233,824,888.79/15,323.09
  6. Step 6: Final answer
    x = 15,259.65

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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.