Home / 22,206.08-30,643.47-12,134.87

Finding the Fourth Proportional to 22,206.08, 30,643.47 and 12,134.87

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Solution

The fourth proportional to 22,206.08, 30,643.47 and 12,134.87 is: 16,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.08 : 30,643.47 = 12,134.87 : x
  2. Step 2: Convert to fraction form
    22,206.08/30,643.47 = 12,134.87/x
  3. Step 3: Cross multiply
    22,206.08x = 30,643.47 × 12,134.87
  4. Step 4: Simplify right side
    22,206.08x = 371,854,371.58
  5. Step 5: Solve for x
    x = 371,854,371.58/22,206.08
  6. Step 6: Final answer
    x = 16,745.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.