Home / 12,225.06-18,337.47-3,904.98

Finding the Fourth Proportional to 12,225.06, 18,337.47 and 3,904.98

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Solution

The fourth proportional to 12,225.06, 18,337.47 and 3,904.98 is: 5,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225.06 : 18,337.47 = 3,904.98 : x
  2. Step 2: Convert to fraction form
    12,225.06/18,337.47 = 3,904.98/x
  3. Step 3: Cross multiply
    12,225.06x = 18,337.47 × 3,904.98
  4. Step 4: Simplify right side
    12,225.06x = 71,607,453.60
  5. Step 5: Solve for x
    x = 71,607,453.60/12,225.06
  6. Step 6: Final answer
    x = 5,857.43

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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.