Home / 12,045.42-18,027.63-11,585.34

Finding the Fourth Proportional to 12,045.42, 18,027.63 and 11,585.34

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Solution

The fourth proportional to 12,045.42, 18,027.63 and 11,585.34 is: 17,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.42 : 18,027.63 = 11,585.34 : x
  2. Step 2: Convert to fraction form
    12,045.42/18,027.63 = 11,585.34/x
  3. Step 3: Cross multiply
    12,045.42x = 18,027.63 × 11,585.34
  4. Step 4: Simplify right side
    12,045.42x = 208,856,222.94
  5. Step 5: Solve for x
    x = 208,856,222.94/12,045.42
  6. Step 6: Final answer
    x = 17,339.06

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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.