Home / 12,601.87-18,878.19-9,263.98

Finding the Fourth Proportional to 12,601.87, 18,878.19 and 9,263.98

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Solution

The fourth proportional to 12,601.87, 18,878.19 and 9,263.98 is: 13,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.87 : 18,878.19 = 9,263.98 : x
  2. Step 2: Convert to fraction form
    12,601.87/18,878.19 = 9,263.98/x
  3. Step 3: Cross multiply
    12,601.87x = 18,878.19 × 9,263.98
  4. Step 4: Simplify right side
    12,601.87x = 174,887,174.60
  5. Step 5: Solve for x
    x = 174,887,174.60/12,601.87
  6. Step 6: Final answer
    x = 13,877.87

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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.