Home / 11,337.42-15,629.16-7,923.84

Finding the Fourth Proportional to 11,337.42, 15,629.16 and 7,923.84

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Solution

The fourth proportional to 11,337.42, 15,629.16 and 7,923.84 is: 10,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.42 : 15,629.16 = 7,923.84 : x
  2. Step 2: Convert to fraction form
    11,337.42/15,629.16 = 7,923.84/x
  3. Step 3: Cross multiply
    11,337.42x = 15,629.16 × 7,923.84
  4. Step 4: Simplify right side
    11,337.42x = 123,842,934.28
  5. Step 5: Solve for x
    x = 123,842,934.28/11,337.42
  6. Step 6: Final answer
    x = 10,923.38

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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.