Home / 13,848.50-20,770.64-4,487.30

Finding the Fourth Proportional to 13,848.50, 20,770.64 and 4,487.30

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Solution

The fourth proportional to 13,848.50, 20,770.64 and 4,487.30 is: 6,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.50 : 20,770.64 = 4,487.30 : x
  2. Step 2: Convert to fraction form
    13,848.50/20,770.64 = 4,487.30/x
  3. Step 3: Cross multiply
    13,848.50x = 20,770.64 × 4,487.30
  4. Step 4: Simplify right side
    13,848.50x = 93,204,000.24
  5. Step 5: Solve for x
    x = 93,204,000.24/13,848.50
  6. Step 6: Final answer
    x = 6,730.26

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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.