Home / 13,793.36-20,688.04-4,432.15

Finding the Fourth Proportional to 13,793.36, 20,688.04 and 4,432.15

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Solution

The fourth proportional to 13,793.36, 20,688.04 and 4,432.15 is: 6,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.36 : 20,688.04 = 4,432.15 : x
  2. Step 2: Convert to fraction form
    13,793.36/20,688.04 = 4,432.15/x
  3. Step 3: Cross multiply
    13,793.36x = 20,688.04 × 4,432.15
  4. Step 4: Simplify right side
    13,793.36x = 91,692,527.89
  5. Step 5: Solve for x
    x = 91,692,527.89/13,793.36
  6. Step 6: Final answer
    x = 6,647.59

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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.