Home / 10,620.95-15,935.78-4,694.70

Finding the Fourth Proportional to 10,620.95, 15,935.78 and 4,694.70

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Solution

The fourth proportional to 10,620.95, 15,935.78 and 4,694.70 is: 7,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.95 : 15,935.78 = 4,694.70 : x
  2. Step 2: Convert to fraction form
    10,620.95/15,935.78 = 4,694.70/x
  3. Step 3: Cross multiply
    10,620.95x = 15,935.78 × 4,694.70
  4. Step 4: Simplify right side
    10,620.95x = 74,813,682.89
  5. Step 5: Solve for x
    x = 74,813,682.89/10,620.95
  6. Step 6: Final answer
    x = 7,043.98

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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.