Home / 12,795.69-17,651.28-8,809.92

Finding the Fourth Proportional to 12,795.69, 17,651.28 and 8,809.92

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Solution

The fourth proportional to 12,795.69, 17,651.28 and 8,809.92 is: 12,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.69 : 17,651.28 = 8,809.92 : x
  2. Step 2: Convert to fraction form
    12,795.69/17,651.28 = 8,809.92/x
  3. Step 3: Cross multiply
    12,795.69x = 17,651.28 × 8,809.92
  4. Step 4: Simplify right side
    12,795.69x = 155,506,364.70
  5. Step 5: Solve for x
    x = 155,506,364.70/12,795.69
  6. Step 6: Final answer
    x = 12,153.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.