Home / 10,257.10-15,384.28-2,860.94

Finding the Fourth Proportional to 10,257.10, 15,384.28 and 2,860.94

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Solution

The fourth proportional to 10,257.10, 15,384.28 and 2,860.94 is: 4,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.10 : 15,384.28 = 2,860.94 : x
  2. Step 2: Convert to fraction form
    10,257.10/15,384.28 = 2,860.94/x
  3. Step 3: Cross multiply
    10,257.10x = 15,384.28 × 2,860.94
  4. Step 4: Simplify right side
    10,257.10x = 44,013,410.80
  5. Step 5: Solve for x
    x = 44,013,410.80/10,257.10
  6. Step 6: Final answer
    x = 4,291.02

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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.