Home / 16,668.84-25,003.29-6,806.40

Finding the Fourth Proportional to 16,668.84, 25,003.29 and 6,806.40

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Solution

The fourth proportional to 16,668.84, 25,003.29 and 6,806.40 is: 10,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.84 : 25,003.29 = 6,806.40 : x
  2. Step 2: Convert to fraction form
    16,668.84/25,003.29 = 6,806.40/x
  3. Step 3: Cross multiply
    16,668.84x = 25,003.29 × 6,806.40
  4. Step 4: Simplify right side
    16,668.84x = 170,182,393.06
  5. Step 5: Solve for x
    x = 170,182,393.06/16,668.84
  6. Step 6: Final answer
    x = 10,209.61

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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.