Home / 12,517.07-18,785.39-5,501.93

Finding the Fourth Proportional to 12,517.07, 18,785.39 and 5,501.93

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Solution

The fourth proportional to 12,517.07, 18,785.39 and 5,501.93 is: 8,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.07 : 18,785.39 = 5,501.93 : x
  2. Step 2: Convert to fraction form
    12,517.07/18,785.39 = 5,501.93/x
  3. Step 3: Cross multiply
    12,517.07x = 18,785.39 × 5,501.93
  4. Step 4: Simplify right side
    12,517.07x = 103,355,779.37
  5. Step 5: Solve for x
    x = 103,355,779.37/12,517.07
  6. Step 6: Final answer
    x = 8,257.19

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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.