Home / 16,856.36-25,250.68-8,397.36

Finding the Fourth Proportional to 16,856.36, 25,250.68 and 8,397.36

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Solution

The fourth proportional to 16,856.36, 25,250.68 and 8,397.36 is: 12,579.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.36 : 25,250.68 = 8,397.36 : x
  2. Step 2: Convert to fraction form
    16,856.36/25,250.68 = 8,397.36/x
  3. Step 3: Cross multiply
    16,856.36x = 25,250.68 × 8,397.36
  4. Step 4: Simplify right side
    16,856.36x = 212,039,050.20
  5. Step 5: Solve for x
    x = 212,039,050.20/16,856.36
  6. Step 6: Final answer
    x = 12,579.17

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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.