Home / 11,625.56-16,043.48-6,320.40

Finding the Fourth Proportional to 11,625.56, 16,043.48 and 6,320.40

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Solution

The fourth proportional to 11,625.56, 16,043.48 and 6,320.40 is: 8,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.56 : 16,043.48 = 6,320.40 : x
  2. Step 2: Convert to fraction form
    11,625.56/16,043.48 = 6,320.40/x
  3. Step 3: Cross multiply
    11,625.56x = 16,043.48 × 6,320.40
  4. Step 4: Simplify right side
    11,625.56x = 101,401,210.99
  5. Step 5: Solve for x
    x = 101,401,210.99/11,625.56
  6. Step 6: Final answer
    x = 8,722.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.