Home / 15,359.80-21,203.07-10,326.94

Finding the Fourth Proportional to 15,359.80, 21,203.07 and 10,326.94

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Solution

The fourth proportional to 15,359.80, 21,203.07 and 10,326.94 is: 14,255.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359.80 : 21,203.07 = 10,326.94 : x
  2. Step 2: Convert to fraction form
    15,359.80/21,203.07 = 10,326.94/x
  3. Step 3: Cross multiply
    15,359.80x = 21,203.07 × 10,326.94
  4. Step 4: Simplify right side
    15,359.80x = 218,962,859.24
  5. Step 5: Solve for x
    x = 218,962,859.24/15,359.80
  6. Step 6: Final answer
    x = 14,255.58

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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.