Home / 13,550.04-20,328.18-7,309.92

Finding the Fourth Proportional to 13,550.04, 20,328.18 and 7,309.92

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Solution

The fourth proportional to 13,550.04, 20,328.18 and 7,309.92 is: 10,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.04 : 20,328.18 = 7,309.92 : x
  2. Step 2: Convert to fraction form
    13,550.04/20,328.18 = 7,309.92/x
  3. Step 3: Cross multiply
    13,550.04x = 20,328.18 × 7,309.92
  4. Step 4: Simplify right side
    13,550.04x = 148,597,369.55
  5. Step 5: Solve for x
    x = 148,597,369.55/13,550.04
  6. Step 6: Final answer
    x = 10,966.56

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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.