Home / 12,601.62-18,903.30-4,278.24

Finding the Fourth Proportional to 12,601.62, 18,903.30 and 4,278.24

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Solution

The fourth proportional to 12,601.62, 18,903.30 and 4,278.24 is: 6,417.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.62 : 18,903.30 = 4,278.24 : x
  2. Step 2: Convert to fraction form
    12,601.62/18,903.30 = 4,278.24/x
  3. Step 3: Cross multiply
    12,601.62x = 18,903.30 × 4,278.24
  4. Step 4: Simplify right side
    12,601.62x = 80,872,854.19
  5. Step 5: Solve for x
    x = 80,872,854.19/12,601.62
  6. Step 6: Final answer
    x = 6,417.66

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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.