Home / 12,384.67-18,568.36-4,591.39

Finding the Fourth Proportional to 12,384.67, 18,568.36 and 4,591.39

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Solution

The fourth proportional to 12,384.67, 18,568.36 and 4,591.39 is: 6,883.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.67 : 18,568.36 = 4,591.39 : x
  2. Step 2: Convert to fraction form
    12,384.67/18,568.36 = 4,591.39/x
  3. Step 3: Cross multiply
    12,384.67x = 18,568.36 × 4,591.39
  4. Step 4: Simplify right side
    12,384.67x = 85,254,582.42
  5. Step 5: Solve for x
    x = 85,254,582.42/12,384.67
  6. Step 6: Final answer
    x = 6,883.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.