Home / 16,809.29-25,181.12-12,358.74

Finding the Fourth Proportional to 16,809.29, 25,181.12 and 12,358.74

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Solution

The fourth proportional to 16,809.29, 25,181.12 and 12,358.74 is: 18,513.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.29 : 25,181.12 = 12,358.74 : x
  2. Step 2: Convert to fraction form
    16,809.29/25,181.12 = 12,358.74/x
  3. Step 3: Cross multiply
    16,809.29x = 25,181.12 × 12,358.74
  4. Step 4: Simplify right side
    16,809.29x = 311,206,853.20
  5. Step 5: Solve for x
    x = 311,206,853.20/16,809.29
  6. Step 6: Final answer
    x = 18,513.99

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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.