Home / 12,169.93-16,795.28-6,864.63

Finding the Fourth Proportional to 12,169.93, 16,795.28 and 6,864.63

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Solution

The fourth proportional to 12,169.93, 16,795.28 and 6,864.63 is: 9,473.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.93 : 16,795.28 = 6,864.63 : x
  2. Step 2: Convert to fraction form
    12,169.93/16,795.28 = 6,864.63/x
  3. Step 3: Cross multiply
    12,169.93x = 16,795.28 × 6,864.63
  4. Step 4: Simplify right side
    12,169.93x = 115,293,264.65
  5. Step 5: Solve for x
    x = 115,293,264.65/12,169.93
  6. Step 6: Final answer
    x = 9,473.62

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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.