Home / 8,247.48-12,427.80-6,818.64

Finding the Fourth Proportional to 8,247.48, 12,427.80 and 6,818.64

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Solution

The fourth proportional to 8,247.48, 12,427.80 and 6,818.64 is: 10,274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.48 : 12,427.80 = 6,818.64 : x
  2. Step 2: Convert to fraction form
    8,247.48/12,427.80 = 6,818.64/x
  3. Step 3: Cross multiply
    8,247.48x = 12,427.80 × 6,818.64
  4. Step 4: Simplify right side
    8,247.48x = 84,740,694.19
  5. Step 5: Solve for x
    x = 84,740,694.19/8,247.48
  6. Step 6: Final answer
    x = 10,274.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.