Home / 10,681.90-16,023.42-3,291.44

Finding the Fourth Proportional to 10,681.90, 16,023.42 and 3,291.44

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Solution

The fourth proportional to 10,681.90, 16,023.42 and 3,291.44 is: 4,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.90 : 16,023.42 = 3,291.44 : x
  2. Step 2: Convert to fraction form
    10,681.90/16,023.42 = 3,291.44/x
  3. Step 3: Cross multiply
    10,681.90x = 16,023.42 × 3,291.44
  4. Step 4: Simplify right side
    10,681.90x = 52,740,045.41
  5. Step 5: Solve for x
    x = 52,740,045.41/10,681.90
  6. Step 6: Final answer
    x = 4,937.33

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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.