Home / 19,151.97-28,727.84-7,465.19

Finding the Fourth Proportional to 19,151.97, 28,727.84 and 7,465.19

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Solution

The fourth proportional to 19,151.97, 28,727.84 and 7,465.19 is: 11,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.97 : 28,727.84 = 7,465.19 : x
  2. Step 2: Convert to fraction form
    19,151.97/28,727.84 = 7,465.19/x
  3. Step 3: Cross multiply
    19,151.97x = 28,727.84 × 7,465.19
  4. Step 4: Simplify right side
    19,151.97x = 214,458,718.71
  5. Step 5: Solve for x
    x = 214,458,718.71/19,151.97
  6. Step 6: Final answer
    x = 11,197.74

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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.