Home / 16,873.14-25,312.13-5,187.34

Finding the Fourth Proportional to 16,873.14, 25,312.13 and 5,187.34

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Solution

The fourth proportional to 16,873.14, 25,312.13 and 5,187.34 is: 7,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,873.14 : 25,312.13 = 5,187.34 : x
  2. Step 2: Convert to fraction form
    16,873.14/25,312.13 = 5,187.34/x
  3. Step 3: Cross multiply
    16,873.14x = 25,312.13 × 5,187.34
  4. Step 4: Simplify right side
    16,873.14x = 131,302,624.43
  5. Step 5: Solve for x
    x = 131,302,624.43/16,873.14
  6. Step 6: Final answer
    x = 7,781.75

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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.