Home / 19,151.63-28,727.23-7,473.05

Finding the Fourth Proportional to 19,151.63, 28,727.23 and 7,473.05

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Solution

The fourth proportional to 19,151.63, 28,727.23 and 7,473.05 is: 11,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.63 : 28,727.23 = 7,473.05 : x
  2. Step 2: Convert to fraction form
    19,151.63/28,727.23 = 7,473.05/x
  3. Step 3: Cross multiply
    19,151.63x = 28,727.23 × 7,473.05
  4. Step 4: Simplify right side
    19,151.63x = 214,680,026.15
  5. Step 5: Solve for x
    x = 214,680,026.15/19,151.63
  6. Step 6: Final answer
    x = 11,209.49

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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.