Home / 11,612.48-16,025.12-6,307.20

Finding the Fourth Proportional to 11,612.48, 16,025.12 and 6,307.20

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Solution

The fourth proportional to 11,612.48, 16,025.12 and 6,307.20 is: 8,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.48 : 16,025.12 = 6,307.20 : x
  2. Step 2: Convert to fraction form
    11,612.48/16,025.12 = 6,307.20/x
  3. Step 3: Cross multiply
    11,612.48x = 16,025.12 × 6,307.20
  4. Step 4: Simplify right side
    11,612.48x = 101,073,636.86
  5. Step 5: Solve for x
    x = 101,073,636.86/11,612.48
  6. Step 6: Final answer
    x = 8,703.88

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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.