Home / 14,147.32-19,523.26-7,774.33

Finding the Fourth Proportional to 14,147.32, 19,523.26 and 7,774.33

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Solution

The fourth proportional to 14,147.32, 19,523.26 and 7,774.33 is: 10,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.32 : 19,523.26 = 7,774.33 : x
  2. Step 2: Convert to fraction form
    14,147.32/19,523.26 = 7,774.33/x
  3. Step 3: Cross multiply
    14,147.32x = 19,523.26 × 7,774.33
  4. Step 4: Simplify right side
    14,147.32x = 151,780,265.92
  5. Step 5: Solve for x
    x = 151,780,265.92/14,147.32
  6. Step 6: Final answer
    x = 10,728.55

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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.