Home / 12,281.58-18,423.53-3,396.56

Finding the Fourth Proportional to 12,281.58, 18,423.53 and 3,396.56

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Solution

The fourth proportional to 12,281.58, 18,423.53 and 3,396.56 is: 5,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281.58 : 18,423.53 = 3,396.56 : x
  2. Step 2: Convert to fraction form
    12,281.58/18,423.53 = 3,396.56/x
  3. Step 3: Cross multiply
    12,281.58x = 18,423.53 × 3,396.56
  4. Step 4: Simplify right side
    12,281.58x = 62,576,541.43
  5. Step 5: Solve for x
    x = 62,576,541.43/12,281.58
  6. Step 6: Final answer
    x = 5,095.15

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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.