Home / 15,068.44-20,787.06-13,076.20

Finding the Fourth Proportional to 15,068.44, 20,787.06 and 13,076.20

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Solution

The fourth proportional to 15,068.44, 20,787.06 and 13,076.20 is: 18,038.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.44 : 20,787.06 = 13,076.20 : x
  2. Step 2: Convert to fraction form
    15,068.44/20,787.06 = 13,076.20/x
  3. Step 3: Cross multiply
    15,068.44x = 20,787.06 × 13,076.20
  4. Step 4: Simplify right side
    15,068.44x = 271,815,753.97
  5. Step 5: Solve for x
    x = 271,815,753.97/15,068.44
  6. Step 6: Final answer
    x = 18,038.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.