Home / 12,913.07-17,825.46-10,933.88

Finding the Fourth Proportional to 12,913.07, 17,825.46 and 10,933.88

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Solution

The fourth proportional to 12,913.07, 17,825.46 and 10,933.88 is: 15,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913.07 : 17,825.46 = 10,933.88 : x
  2. Step 2: Convert to fraction form
    12,913.07/17,825.46 = 10,933.88/x
  3. Step 3: Cross multiply
    12,913.07x = 17,825.46 × 10,933.88
  4. Step 4: Simplify right side
    12,913.07x = 194,901,440.58
  5. Step 5: Solve for x
    x = 194,901,440.58/12,913.07
  6. Step 6: Final answer
    x = 15,093.35

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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.