Home / 19,998.06-30,002.65-8,751.39

Finding the Fourth Proportional to 19,998.06, 30,002.65 and 8,751.39

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Solution

The fourth proportional to 19,998.06, 30,002.65 and 8,751.39 is: 13,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.06 : 30,002.65 = 8,751.39 : x
  2. Step 2: Convert to fraction form
    19,998.06/30,002.65 = 8,751.39/x
  3. Step 3: Cross multiply
    19,998.06x = 30,002.65 × 8,751.39
  4. Step 4: Simplify right side
    19,998.06x = 262,564,891.18
  5. Step 5: Solve for x
    x = 262,564,891.18/19,998.06
  6. Step 6: Final answer
    x = 13,129.52

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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.