Home / 10,274.10-15,411.18-2,878.62

Finding the Fourth Proportional to 10,274.10, 15,411.18 and 2,878.62

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Solution

The fourth proportional to 10,274.10, 15,411.18 and 2,878.62 is: 4,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.10 : 15,411.18 = 2,878.62 : x
  2. Step 2: Convert to fraction form
    10,274.10/15,411.18 = 2,878.62/x
  3. Step 3: Cross multiply
    10,274.10x = 15,411.18 × 2,878.62
  4. Step 4: Simplify right side
    10,274.10x = 44,362,930.97
  5. Step 5: Solve for x
    x = 44,362,930.97/10,274.10
  6. Step 6: Final answer
    x = 4,317.94

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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.