Home / 10,182.96-15,274.46-2,787.49

Finding the Fourth Proportional to 10,182.96, 15,274.46 and 2,787.49

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Solution

The fourth proportional to 10,182.96, 15,274.46 and 2,787.49 is: 4,181.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.96 : 15,274.46 = 2,787.49 : x
  2. Step 2: Convert to fraction form
    10,182.96/15,274.46 = 2,787.49/x
  3. Step 3: Cross multiply
    10,182.96x = 15,274.46 × 2,787.49
  4. Step 4: Simplify right side
    10,182.96x = 42,577,404.51
  5. Step 5: Solve for x
    x = 42,577,404.51/10,182.96
  6. Step 6: Final answer
    x = 4,181.24

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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.