Home / 19,130.75-28,691.56-8,037.65

Finding the Fourth Proportional to 19,130.75, 28,691.56 and 8,037.65

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Solution

The fourth proportional to 19,130.75, 28,691.56 and 8,037.65 is: 12,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.75 : 28,691.56 = 8,037.65 : x
  2. Step 2: Convert to fraction form
    19,130.75/28,691.56 = 8,037.65/x
  3. Step 3: Cross multiply
    19,130.75x = 28,691.56 × 8,037.65
  4. Step 4: Simplify right side
    19,130.75x = 230,612,717.23
  5. Step 5: Solve for x
    x = 230,612,717.23/19,130.75
  6. Step 6: Final answer
    x = 12,054.56

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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.