Home / 16,961.18-25,420.84-12,297.20

Finding the Fourth Proportional to 16,961.18, 25,420.84 and 12,297.20

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Solution

The fourth proportional to 16,961.18, 25,420.84 and 12,297.20 is: 18,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.18 : 25,420.84 = 12,297.20 : x
  2. Step 2: Convert to fraction form
    16,961.18/25,420.84 = 12,297.20/x
  3. Step 3: Cross multiply
    16,961.18x = 25,420.84 × 12,297.20
  4. Step 4: Simplify right side
    16,961.18x = 312,604,995.80
  5. Step 5: Solve for x
    x = 312,604,995.80/16,961.18
  6. Step 6: Final answer
    x = 18,430.62

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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.