Home / 12,597.42-18,885.20-9,305.99

Finding the Fourth Proportional to 12,597.42, 18,885.20 and 9,305.99

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Solution

The fourth proportional to 12,597.42, 18,885.20 and 9,305.99 is: 13,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597.42 : 18,885.20 = 9,305.99 : x
  2. Step 2: Convert to fraction form
    12,597.42/18,885.20 = 9,305.99/x
  3. Step 3: Cross multiply
    12,597.42x = 18,885.20 × 9,305.99
  4. Step 4: Simplify right side
    12,597.42x = 175,745,464.56
  5. Step 5: Solve for x
    x = 175,745,464.56/12,597.42
  6. Step 6: Final answer
    x = 13,950.91

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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.