Home / 10,685.84-16,006.88-6,290.24

Finding the Fourth Proportional to 10,685.84, 16,006.88 and 6,290.24

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Solution

The fourth proportional to 10,685.84, 16,006.88 and 6,290.24 is: 9,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.84 : 16,006.88 = 6,290.24 : x
  2. Step 2: Convert to fraction form
    10,685.84/16,006.88 = 6,290.24/x
  3. Step 3: Cross multiply
    10,685.84x = 16,006.88 × 6,290.24
  4. Step 4: Simplify right side
    10,685.84x = 100,687,116.85
  5. Step 5: Solve for x
    x = 100,687,116.85/10,685.84
  6. Step 6: Final answer
    x = 9,422.48

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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.