Home / 12,089.30-18,125.44-4,687.52

Finding the Fourth Proportional to 12,089.30, 18,125.44 and 4,687.52

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Solution

The fourth proportional to 12,089.30, 18,125.44 and 4,687.52 is: 7,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.30 : 18,125.44 = 4,687.52 : x
  2. Step 2: Convert to fraction form
    12,089.30/18,125.44 = 4,687.52/x
  3. Step 3: Cross multiply
    12,089.30x = 18,125.44 × 4,687.52
  4. Step 4: Simplify right side
    12,089.30x = 84,963,248.44
  5. Step 5: Solve for x
    x = 84,963,248.44/12,089.30
  6. Step 6: Final answer
    x = 7,027.97

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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.