Home / 10,757.07-16,121.03-7,994.16

Finding the Fourth Proportional to 10,757.07, 16,121.03 and 7,994.16

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Solution

The fourth proportional to 10,757.07, 16,121.03 and 7,994.16 is: 11,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,757.07 : 16,121.03 = 7,994.16 : x
  2. Step 2: Convert to fraction form
    10,757.07/16,121.03 = 7,994.16/x
  3. Step 3: Cross multiply
    10,757.07x = 16,121.03 × 7,994.16
  4. Step 4: Simplify right side
    10,757.07x = 128,874,053.21
  5. Step 5: Solve for x
    x = 128,874,053.21/10,757.07
  6. Step 6: Final answer
    x = 11,980.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.