Home / 12,529.40-18,768.54-5,935.55

Finding the Fourth Proportional to 12,529.40, 18,768.54 and 5,935.55

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Solution

The fourth proportional to 12,529.40, 18,768.54 and 5,935.55 is: 8,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.40 : 18,768.54 = 5,935.55 : x
  2. Step 2: Convert to fraction form
    12,529.40/18,768.54 = 5,935.55/x
  3. Step 3: Cross multiply
    12,529.40x = 18,768.54 × 5,935.55
  4. Step 4: Simplify right side
    12,529.40x = 111,401,607.60
  5. Step 5: Solve for x
    x = 111,401,607.60/12,529.40
  6. Step 6: Final answer
    x = 8,891.22

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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.