Home / 12,003.09-16,564.14-6,625.57

Finding the Fourth Proportional to 12,003.09, 16,564.14 and 6,625.57

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Solution

The fourth proportional to 12,003.09, 16,564.14 and 6,625.57 is: 9,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003.09 : 16,564.14 = 6,625.57 : x
  2. Step 2: Convert to fraction form
    12,003.09/16,564.14 = 6,625.57/x
  3. Step 3: Cross multiply
    12,003.09x = 16,564.14 × 6,625.57
  4. Step 4: Simplify right side
    12,003.09x = 109,746,827.65
  5. Step 5: Solve for x
    x = 109,746,827.65/12,003.09
  6. Step 6: Final answer
    x = 9,143.21

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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.