Home / 16,860.51-25,289.85-5,173.74

Finding the Fourth Proportional to 16,860.51, 25,289.85 and 5,173.74

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Solution

The fourth proportional to 16,860.51, 25,289.85 and 5,173.74 is: 7,760.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.51 : 25,289.85 = 5,173.74 : x
  2. Step 2: Convert to fraction form
    16,860.51/25,289.85 = 5,173.74/x
  3. Step 3: Cross multiply
    16,860.51x = 25,289.85 × 5,173.74
  4. Step 4: Simplify right side
    16,860.51x = 130,843,108.54
  5. Step 5: Solve for x
    x = 130,843,108.54/16,860.51
  6. Step 6: Final answer
    x = 7,760.33

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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.