Home / 12,588.63-18,871.14-4,262.82

Finding the Fourth Proportional to 12,588.63, 18,871.14 and 4,262.82

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Solution

The fourth proportional to 12,588.63, 18,871.14 and 4,262.82 is: 6,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.63 : 18,871.14 = 4,262.82 : x
  2. Step 2: Convert to fraction form
    12,588.63/18,871.14 = 4,262.82/x
  3. Step 3: Cross multiply
    12,588.63x = 18,871.14 × 4,262.82
  4. Step 4: Simplify right side
    12,588.63x = 80,444,273.01
  5. Step 5: Solve for x
    x = 80,444,273.01/12,588.63
  6. Step 6: Final answer
    x = 6,390.23

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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.