Home / 19,151.64-28,727.22-7,473.06

Finding the Fourth Proportional to 19,151.64, 28,727.22 and 7,473.06

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Solution

The fourth proportional to 19,151.64, 28,727.22 and 7,473.06 is: 11,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.64 : 28,727.22 = 7,473.06 : x
  2. Step 2: Convert to fraction form
    19,151.64/28,727.22 = 7,473.06/x
  3. Step 3: Cross multiply
    19,151.64x = 28,727.22 × 7,473.06
  4. Step 4: Simplify right side
    19,151.64x = 214,680,238.69
  5. Step 5: Solve for x
    x = 214,680,238.69/19,151.64
  6. Step 6: Final answer
    x = 11,209.50

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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.