Home / 12,925.73-19,390.43-4,158.61

Finding the Fourth Proportional to 12,925.73, 19,390.43 and 4,158.61

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Solution

The fourth proportional to 12,925.73, 19,390.43 and 4,158.61 is: 6,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925.73 : 19,390.43 = 4,158.61 : x
  2. Step 2: Convert to fraction form
    12,925.73/19,390.43 = 4,158.61/x
  3. Step 3: Cross multiply
    12,925.73x = 19,390.43 × 4,158.61
  4. Step 4: Simplify right side
    12,925.73x = 80,637,198.02
  5. Step 5: Solve for x
    x = 80,637,198.02/12,925.73
  6. Step 6: Final answer
    x = 6,238.50

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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.