Home / 13,848.30-20,772.57-3,460.05

Finding the Fourth Proportional to 13,848.30, 20,772.57 and 3,460.05

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Solution

The fourth proportional to 13,848.30, 20,772.57 and 3,460.05 is: 5,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.30 : 20,772.57 = 3,460.05 : x
  2. Step 2: Convert to fraction form
    13,848.30/20,772.57 = 3,460.05/x
  3. Step 3: Cross multiply
    13,848.30x = 20,772.57 × 3,460.05
  4. Step 4: Simplify right side
    13,848.30x = 71,874,130.83
  5. Step 5: Solve for x
    x = 71,874,130.83/13,848.30
  6. Step 6: Final answer
    x = 5,190.10

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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.