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Finding the Fourth Proportional to 16,833.71, 25,249.95 and 4,987.05

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Solution

The fourth proportional to 16,833.71, 25,249.95 and 4,987.05 is: 7,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,833.71 : 25,249.95 = 4,987.05 : x
  2. Step 2: Convert to fraction form
    16,833.71/25,249.95 = 4,987.05/x
  3. Step 3: Cross multiply
    16,833.71x = 25,249.95 × 4,987.05
  4. Step 4: Simplify right side
    16,833.71x = 125,922,763.15
  5. Step 5: Solve for x
    x = 125,922,763.15/16,833.71
  6. Step 6: Final answer
    x = 7,480.40

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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.