Home / 12,500.07-18,729.30-8,794.51

Finding the Fourth Proportional to 12,500.07, 18,729.30 and 8,794.51

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Solution

The fourth proportional to 12,500.07, 18,729.30 and 8,794.51 is: 13,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.07 : 18,729.30 = 8,794.51 : x
  2. Step 2: Convert to fraction form
    12,500.07/18,729.30 = 8,794.51/x
  3. Step 3: Cross multiply
    12,500.07x = 18,729.30 × 8,794.51
  4. Step 4: Simplify right side
    12,500.07x = 164,715,016.14
  5. Step 5: Solve for x
    x = 164,715,016.14/12,500.07
  6. Step 6: Final answer
    x = 13,177.13

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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.