Home / 13,612.62-20,420.58-4,848.42

Finding the Fourth Proportional to 13,612.62, 20,420.58 and 4,848.42

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Solution

The fourth proportional to 13,612.62, 20,420.58 and 4,848.42 is: 7,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612.62 : 20,420.58 = 4,848.42 : x
  2. Step 2: Convert to fraction form
    13,612.62/20,420.58 = 4,848.42/x
  3. Step 3: Cross multiply
    13,612.62x = 20,420.58 × 4,848.42
  4. Step 4: Simplify right side
    13,612.62x = 99,007,548.48
  5. Step 5: Solve for x
    x = 99,007,548.48/13,612.62
  6. Step 6: Final answer
    x = 7,273.22

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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.