Home / 19,149.96-28,715.58-11,356.68

Finding the Fourth Proportional to 19,149.96, 28,715.58 and 11,356.68

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Solution

The fourth proportional to 19,149.96, 28,715.58 and 11,356.68 is: 17,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.96 : 28,715.58 = 11,356.68 : x
  2. Step 2: Convert to fraction form
    19,149.96/28,715.58 = 11,356.68/x
  3. Step 3: Cross multiply
    19,149.96x = 28,715.58 × 11,356.68
  4. Step 4: Simplify right side
    19,149.96x = 326,113,653.07
  5. Step 5: Solve for x
    x = 326,113,653.07/19,149.96
  6. Step 6: Final answer
    x = 17,029.47

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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.