Home / 13,572.75-20,355.93-6,904.83

Finding the Fourth Proportional to 13,572.75, 20,355.93 and 6,904.83

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Solution

The fourth proportional to 13,572.75, 20,355.93 and 6,904.83 is: 10,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.75 : 20,355.93 = 6,904.83 : x
  2. Step 2: Convert to fraction form
    13,572.75/20,355.93 = 6,904.83/x
  3. Step 3: Cross multiply
    13,572.75x = 20,355.93 × 6,904.83
  4. Step 4: Simplify right side
    13,572.75x = 140,554,134.36
  5. Step 5: Solve for x
    x = 140,554,134.36/13,572.75
  6. Step 6: Final answer
    x = 10,355.62

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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.