Home / 10,126.12-13,975.50-5,934.28

Finding the Fourth Proportional to 10,126.12, 13,975.50 and 5,934.28

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Solution

The fourth proportional to 10,126.12, 13,975.50 and 5,934.28 is: 8,190.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.12 : 13,975.50 = 5,934.28 : x
  2. Step 2: Convert to fraction form
    10,126.12/13,975.50 = 5,934.28/x
  3. Step 3: Cross multiply
    10,126.12x = 13,975.50 × 5,934.28
  4. Step 4: Simplify right side
    10,126.12x = 82,934,530.14
  5. Step 5: Solve for x
    x = 82,934,530.14/10,126.12
  6. Step 6: Final answer
    x = 8,190.16

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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.