Home / 11,612.45-16,025.21-6,307.26

Finding the Fourth Proportional to 11,612.45, 16,025.21 and 6,307.26

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Solution

The fourth proportional to 11,612.45, 16,025.21 and 6,307.26 is: 8,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.45 : 16,025.21 = 6,307.26 : x
  2. Step 2: Convert to fraction form
    11,612.45/16,025.21 = 6,307.26/x
  3. Step 3: Cross multiply
    11,612.45x = 16,025.21 × 6,307.26
  4. Step 4: Simplify right side
    11,612.45x = 101,075,166.02
  5. Step 5: Solve for x
    x = 101,075,166.02/11,612.45
  6. Step 6: Final answer
    x = 8,704.03

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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.