Home / 12,560.10-18,849.51-4,784.10

Finding the Fourth Proportional to 12,560.10, 18,849.51 and 4,784.10

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Solution

The fourth proportional to 12,560.10, 18,849.51 and 4,784.10 is: 7,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.10 : 18,849.51 = 4,784.10 : x
  2. Step 2: Convert to fraction form
    12,560.10/18,849.51 = 4,784.10/x
  3. Step 3: Cross multiply
    12,560.10x = 18,849.51 × 4,784.10
  4. Step 4: Simplify right side
    12,560.10x = 90,177,940.79
  5. Step 5: Solve for x
    x = 90,177,940.79/12,560.10
  6. Step 6: Final answer
    x = 7,179.72

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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.