Home / 11,612.48-16,025.34-6,307.40

Finding the Fourth Proportional to 11,612.48, 16,025.34 and 6,307.40

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Solution

The fourth proportional to 11,612.48, 16,025.34 and 6,307.40 is: 8,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.48 : 16,025.34 = 6,307.40 : x
  2. Step 2: Convert to fraction form
    11,612.48/16,025.34 = 6,307.40/x
  3. Step 3: Cross multiply
    11,612.48x = 16,025.34 × 6,307.40
  4. Step 4: Simplify right side
    11,612.48x = 101,078,229.52
  5. Step 5: Solve for x
    x = 101,078,229.52/11,612.48
  6. Step 6: Final answer
    x = 8,704.28

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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.