Home / 10,182.71-15,274.08-2,787.23

Finding the Fourth Proportional to 10,182.71, 15,274.08 and 2,787.23

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Solution

The fourth proportional to 10,182.71, 15,274.08 and 2,787.23 is: 4,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.71 : 15,274.08 = 2,787.23 : x
  2. Step 2: Convert to fraction form
    10,182.71/15,274.08 = 2,787.23/x
  3. Step 3: Cross multiply
    10,182.71x = 15,274.08 × 2,787.23
  4. Step 4: Simplify right side
    10,182.71x = 42,572,412.18
  5. Step 5: Solve for x
    x = 42,572,412.18/10,182.71
  6. Step 6: Final answer
    x = 4,180.85

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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.