Home / 12,809.75-19,206.32-8,849.93

Finding the Fourth Proportional to 12,809.75, 19,206.32 and 8,849.93

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Solution

The fourth proportional to 12,809.75, 19,206.32 and 8,849.93 is: 13,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809.75 : 19,206.32 = 8,849.93 : x
  2. Step 2: Convert to fraction form
    12,809.75/19,206.32 = 8,849.93/x
  3. Step 3: Cross multiply
    12,809.75x = 19,206.32 × 8,849.93
  4. Step 4: Simplify right side
    12,809.75x = 169,974,447.28
  5. Step 5: Solve for x
    x = 169,974,447.28/12,809.75
  6. Step 6: Final answer
    x = 13,269.15

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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.