Home / 19,037.77-28,544.05-10,147.47

Finding the Fourth Proportional to 19,037.77, 28,544.05 and 10,147.47

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Solution

The fourth proportional to 19,037.77, 28,544.05 and 10,147.47 is: 15,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.77 : 28,544.05 = 10,147.47 : x
  2. Step 2: Convert to fraction form
    19,037.77/28,544.05 = 10,147.47/x
  3. Step 3: Cross multiply
    19,037.77x = 28,544.05 × 10,147.47
  4. Step 4: Simplify right side
    19,037.77x = 289,649,891.05
  5. Step 5: Solve for x
    x = 289,649,891.05/19,037.77
  6. Step 6: Final answer
    x = 15,214.49

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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.