Home / 16,681.98-25,032.69-6,819.78

Finding the Fourth Proportional to 16,681.98, 25,032.69 and 6,819.78

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Solution

The fourth proportional to 16,681.98, 25,032.69 and 6,819.78 is: 10,233.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.98 : 25,032.69 = 6,819.78 : x
  2. Step 2: Convert to fraction form
    16,681.98/25,032.69 = 6,819.78/x
  3. Step 3: Cross multiply
    16,681.98x = 25,032.69 × 6,819.78
  4. Step 4: Simplify right side
    16,681.98x = 170,717,438.61
  5. Step 5: Solve for x
    x = 170,717,438.61/16,681.98
  6. Step 6: Final answer
    x = 10,233.64

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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.