Home / 11,113.64-15,336.26-6,144.68

Finding the Fourth Proportional to 11,113.64, 15,336.26 and 6,144.68

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Solution

The fourth proportional to 11,113.64, 15,336.26 and 6,144.68 is: 8,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.64 : 15,336.26 = 6,144.68 : x
  2. Step 2: Convert to fraction form
    11,113.64/15,336.26 = 6,144.68/x
  3. Step 3: Cross multiply
    11,113.64x = 15,336.26 × 6,144.68
  4. Step 4: Simplify right side
    11,113.64x = 94,236,410.10
  5. Step 5: Solve for x
    x = 94,236,410.10/11,113.64
  6. Step 6: Final answer
    x = 8,479.35

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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.