Home / 10,127.62-13,975.64-7,474.06

Finding the Fourth Proportional to 10,127.62, 13,975.64 and 7,474.06

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Solution

The fourth proportional to 10,127.62, 13,975.64 and 7,474.06 is: 10,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.62 : 13,975.64 = 7,474.06 : x
  2. Step 2: Convert to fraction form
    10,127.62/13,975.64 = 7,474.06/x
  3. Step 3: Cross multiply
    10,127.62x = 13,975.64 × 7,474.06
  4. Step 4: Simplify right side
    10,127.62x = 104,454,771.90
  5. Step 5: Solve for x
    x = 104,454,771.90/10,127.62
  6. Step 6: Final answer
    x = 10,313.85

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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.